./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 073ee5c5f9e0a51509973bbde311a97e7673effbb0d5db6a027ba4e786762a02 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:19,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:19,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:19,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:19,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:19,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:19,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:19,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:19,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:19,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:19,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:19,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:19,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:19,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:19,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:19,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:19,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:19,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:19,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:19,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:19,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:19,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:19,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:19,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:19,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:19,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:19,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:19,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:19,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:19,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:19,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:19,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:19,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:19,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:19,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:19,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:19,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:19,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:19,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:19,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:19,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:19,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:27:19,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:19,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:19,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:19,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:19,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:19,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:19,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:19,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:19,222 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:19,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:19,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:27:19,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:19,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:27:19,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:19,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:19,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:19,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:19,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:27:19,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:19,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:19,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:19,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:19,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:19,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:19,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:19,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:19,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:19,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:19,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:19,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:19,229 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:19,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:19,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:19,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 073ee5c5f9e0a51509973bbde311a97e7673effbb0d5db6a027ba4e786762a02 [2022-11-20 09:27:19,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:19,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:19,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:19,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:19,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:19,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i [2022-11-20 09:27:22,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:23,019 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:23,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i [2022-11-20 09:27:23,031 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/data/0117595a3/f0a0baa596b8409ea81304989494fc37/FLAGff841b51a [2022-11-20 09:27:23,046 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/data/0117595a3/f0a0baa596b8409ea81304989494fc37 [2022-11-20 09:27:23,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:23,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:23,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:23,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:23,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:23,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ea6e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23, skipping insertion in model container [2022-11-20 09:27:23,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:23,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:23,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i[24291,24304] [2022-11-20 09:27:23,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:23,435 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:23,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-2.i[24291,24304] [2022-11-20 09:27:23,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:23,538 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:23,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23 WrapperNode [2022-11-20 09:27:23,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:23,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:23,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:23,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:23,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,605 INFO L138 Inliner]: procedures = 122, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 205 [2022-11-20 09:27:23,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:23,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:23,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:23,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:23,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:23,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:23,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:23,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:23,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (1/1) ... [2022-11-20 09:27:23,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:23,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:23,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:23,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-20 09:27:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-20 09:27:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:27:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:27:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:23,900 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:23,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:23,992 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-20 09:27:24,338 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:24,346 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:24,346 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 09:27:24,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24 BoogieIcfgContainer [2022-11-20 09:27:24,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:24,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:24,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:24,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:24,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:23" (1/3) ... [2022-11-20 09:27:24,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193a3462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:24, skipping insertion in model container [2022-11-20 09:27:24,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:23" (2/3) ... [2022-11-20 09:27:24,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193a3462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:24, skipping insertion in model container [2022-11-20 09:27:24,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24" (3/3) ... [2022-11-20 09:27:24,366 INFO L112 eAbstractionObserver]: Analyzing ICFG list_and_tree_cnstr-2.i [2022-11-20 09:27:24,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:24,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:24,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:24,465 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1967f785, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:24,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 50 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 09:27:24,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:24,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:24,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:24,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash -146872147, now seen corresponding path program 1 times [2022-11-20 09:27:24,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:24,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159772032] [2022-11-20 09:27:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:24,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:24,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159772032] [2022-11-20 09:27:24,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159772032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:24,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:24,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:27:24,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148088522] [2022-11-20 09:27:24,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:24,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:27:24,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:27:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:27:24,738 INFO L87 Difference]: Start difference. First operand has 52 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 50 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:24,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:24,823 INFO L93 Difference]: Finished difference Result 102 states and 160 transitions. [2022-11-20 09:27:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:27:24,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 09:27:24,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:24,845 INFO L225 Difference]: With dead ends: 102 [2022-11-20 09:27:24,845 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 09:27:24,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:27:24,854 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:24,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:24,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 09:27:24,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 09:27:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2022-11-20 09:27:24,930 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 16 [2022-11-20 09:27:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:24,931 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2022-11-20 09:27:24,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-11-20 09:27:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 09:27:24,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:24,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:24,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:27:24,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:24,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1237728308, now seen corresponding path program 1 times [2022-11-20 09:27:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:24,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505200184] [2022-11-20 09:27:24,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:24,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:25,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:25,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505200184] [2022-11-20 09:27:25,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505200184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:25,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:25,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:27:25,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502211389] [2022-11-20 09:27:25,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:25,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:27:25,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:25,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:27:25,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:25,080 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:25,099 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2022-11-20 09:27:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:27:25,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-20 09:27:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:25,102 INFO L225 Difference]: With dead ends: 71 [2022-11-20 09:27:25,103 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 09:27:25,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:27:25,105 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 30 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:25,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 09:27:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 09:27:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2022-11-20 09:27:25,113 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 21 [2022-11-20 09:27:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:25,113 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2022-11-20 09:27:25,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2022-11-20 09:27:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 09:27:25,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:25,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:25,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:27:25,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:25,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1368149959, now seen corresponding path program 1 times [2022-11-20 09:27:25,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:25,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809362401] [2022-11-20 09:27:25,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:25,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:25,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809362401] [2022-11-20 09:27:25,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809362401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:25,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:25,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:25,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715466888] [2022-11-20 09:27:25,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:25,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:25,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:25,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:25,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:25,557 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:25,967 INFO L93 Difference]: Finished difference Result 142 states and 208 transitions. [2022-11-20 09:27:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:27:25,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-20 09:27:25,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:25,970 INFO L225 Difference]: With dead ends: 142 [2022-11-20 09:27:25,970 INFO L226 Difference]: Without dead ends: 106 [2022-11-20 09:27:25,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:25,971 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 79 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:25,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 168 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:27:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-20 09:27:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 74. [2022-11-20 09:27:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 73 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2022-11-20 09:27:25,984 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 27 [2022-11-20 09:27:25,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:25,984 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2022-11-20 09:27:25,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-11-20 09:27:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 09:27:25,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:25,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:25,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:27:25,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2109168887, now seen corresponding path program 1 times [2022-11-20 09:27:25,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186255871] [2022-11-20 09:27:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:26,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:26,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186255871] [2022-11-20 09:27:26,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186255871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:26,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:26,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:26,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140365312] [2022-11-20 09:27:26,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:26,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:26,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:26,274 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:26,436 INFO L93 Difference]: Finished difference Result 99 states and 138 transitions. [2022-11-20 09:27:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:26,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-20 09:27:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:26,446 INFO L225 Difference]: With dead ends: 99 [2022-11-20 09:27:26,447 INFO L226 Difference]: Without dead ends: 95 [2022-11-20 09:27:26,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:26,454 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 17 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:26,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 194 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-20 09:27:26,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2022-11-20 09:27:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2022-11-20 09:27:26,480 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 27 [2022-11-20 09:27:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:26,482 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2022-11-20 09:27:26,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2022-11-20 09:27:26,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 09:27:26,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:26,484 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:26,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:27:26,484 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:26,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,485 INFO L85 PathProgramCache]: Analyzing trace with hash -264583150, now seen corresponding path program 1 times [2022-11-20 09:27:26,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:26,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140130072] [2022-11-20 09:27:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:26,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:26,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:26,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140130072] [2022-11-20 09:27:26,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140130072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:26,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:26,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:26,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200838440] [2022-11-20 09:27:26,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:26,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:26,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:26,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:26,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:26,736 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:26,885 INFO L93 Difference]: Finished difference Result 101 states and 140 transitions. [2022-11-20 09:27:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:27:26,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-20 09:27:26,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:26,888 INFO L225 Difference]: With dead ends: 101 [2022-11-20 09:27:26,888 INFO L226 Difference]: Without dead ends: 93 [2022-11-20 09:27:26,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:26,898 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 17 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:26,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 198 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-20 09:27:26,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2022-11-20 09:27:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2022-11-20 09:27:26,928 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 29 [2022-11-20 09:27:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:26,929 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2022-11-20 09:27:26,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2022-11-20 09:27:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 09:27:26,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:26,931 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:26,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:27:26,931 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:26,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,936 INFO L85 PathProgramCache]: Analyzing trace with hash 760119826, now seen corresponding path program 1 times [2022-11-20 09:27:26,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:26,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450028223] [2022-11-20 09:27:26,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:26,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:27,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:27,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450028223] [2022-11-20 09:27:27,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450028223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:27,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:27,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308810786] [2022-11-20 09:27:27,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:27,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:27,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:27,172 INFO L87 Difference]: Start difference. First operand 81 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:27,288 INFO L93 Difference]: Finished difference Result 101 states and 140 transitions. [2022-11-20 09:27:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:27:27,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-20 09:27:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:27,290 INFO L225 Difference]: With dead ends: 101 [2022-11-20 09:27:27,290 INFO L226 Difference]: Without dead ends: 90 [2022-11-20 09:27:27,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:27,291 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 13 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:27,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 187 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:27,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-20 09:27:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 78. [2022-11-20 09:27:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 77 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2022-11-20 09:27:27,302 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 29 [2022-11-20 09:27:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:27,303 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2022-11-20 09:27:27,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2022-11-20 09:27:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 09:27:27,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:27,305 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:27,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:27:27,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:27,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:27,306 INFO L85 PathProgramCache]: Analyzing trace with hash -219954082, now seen corresponding path program 1 times [2022-11-20 09:27:27,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:27,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574106761] [2022-11-20 09:27:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:27,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:27,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574106761] [2022-11-20 09:27:27,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574106761] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:27,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294964132] [2022-11-20 09:27:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:27,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:27,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:27:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:27,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 09:27:27,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:27,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:28,048 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:28,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:28,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:28,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:27:28,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:28,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:28,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:28,415 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:28,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-11-20 09:27:28,430 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:28,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-11-20 09:27:28,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 09:27:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:28,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294964132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:28,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:28,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-11-20 09:27:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348606035] [2022-11-20 09:27:28,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:28,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 09:27:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 09:27:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=214, Unknown=5, NotChecked=0, Total=272 [2022-11-20 09:27:28,614 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:28,892 INFO L93 Difference]: Finished difference Result 101 states and 140 transitions. [2022-11-20 09:27:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:27:28,893 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-20 09:27:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:28,894 INFO L225 Difference]: With dead ends: 101 [2022-11-20 09:27:28,894 INFO L226 Difference]: Without dead ends: 97 [2022-11-20 09:27:28,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=351, Unknown=5, NotChecked=0, Total=462 [2022-11-20 09:27:28,896 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 156 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:28,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 259 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 69 Invalid, 0 Unknown, 72 Unchecked, 0.1s Time] [2022-11-20 09:27:28,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-20 09:27:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 87. [2022-11-20 09:27:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 86 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2022-11-20 09:27:28,905 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 31 [2022-11-20 09:27:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:28,905 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2022-11-20 09:27:28,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2022-11-20 09:27:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 09:27:28,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:28,907 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:28,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:29,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 09:27:29,114 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:29,115 INFO L85 PathProgramCache]: Analyzing trace with hash 643447582, now seen corresponding path program 1 times [2022-11-20 09:27:29,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:29,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308207991] [2022-11-20 09:27:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:29,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:29,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:29,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308207991] [2022-11-20 09:27:29,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308207991] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:29,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010313462] [2022-11-20 09:27:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:29,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:29,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:29,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:29,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:27:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:29,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 09:27:29,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:29,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:29,655 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:29,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:29,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:29,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:27:29,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:29,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:29,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:29,855 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_280 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_280) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) is different from false [2022-11-20 09:27:29,923 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:29,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 29 [2022-11-20 09:27:29,936 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:29,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-11-20 09:27:29,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 09:27:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-20 09:27:30,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010313462] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:30,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:30,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-11-20 09:27:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646655410] [2022-11-20 09:27:30,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 09:27:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 09:27:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=191, Unknown=2, NotChecked=28, Total=272 [2022-11-20 09:27:30,045 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:30,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:30,353 INFO L93 Difference]: Finished difference Result 123 states and 167 transitions. [2022-11-20 09:27:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:27:30,354 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-20 09:27:30,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:30,355 INFO L225 Difference]: With dead ends: 123 [2022-11-20 09:27:30,355 INFO L226 Difference]: Without dead ends: 117 [2022-11-20 09:27:30,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=288, Unknown=2, NotChecked=36, Total=420 [2022-11-20 09:27:30,356 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 63 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 100 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:30,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 545 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 0 Unknown, 100 Unchecked, 0.2s Time] [2022-11-20 09:27:30,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-20 09:27:30,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 96. [2022-11-20 09:27:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.431578947368421) internal successors, (136), 95 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2022-11-20 09:27:30,366 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 31 [2022-11-20 09:27:30,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:30,366 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2022-11-20 09:27:30,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2022-11-20 09:27:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 09:27:30,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:30,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:30,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:30,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:30,574 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash -873795143, now seen corresponding path program 1 times [2022-11-20 09:27:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:30,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366543934] [2022-11-20 09:27:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:31,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:31,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366543934] [2022-11-20 09:27:31,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366543934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:31,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270516859] [2022-11-20 09:27:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:31,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:31,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:27:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:31,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:27:31,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:31,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:31,484 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:31,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:31,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:31,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:31,591 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:31,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 61 [2022-11-20 09:27:31,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-20 09:27:31,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-20 09:27:31,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 21 [2022-11-20 09:27:31,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 09:27:31,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:31,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:31,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2022-11-20 09:27:31,709 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_358 (Array Int Int))) (= |c_ULTIMATE.start_main_~p~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_358) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))) (forall ((v_ArrVal_357 (Array Int Int))) (= |c_ULTIMATE.start_main_~p~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_357) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))))) is different from false [2022-11-20 09:27:31,731 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:31,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-20 09:27:31,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:31,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-11-20 09:27:31,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:31,762 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:31,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-11-20 09:27:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-20 09:27:31,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270516859] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:31,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:31,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2022-11-20 09:27:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755281988] [2022-11-20 09:27:31,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:31,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 09:27:31,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 09:27:31,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=258, Unknown=1, NotChecked=32, Total=342 [2022-11-20 09:27:31,908 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:32,415 INFO L93 Difference]: Finished difference Result 116 states and 158 transitions. [2022-11-20 09:27:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:27:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-20 09:27:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:32,417 INFO L225 Difference]: With dead ends: 116 [2022-11-20 09:27:32,417 INFO L226 Difference]: Without dead ends: 112 [2022-11-20 09:27:32,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=476, Unknown=1, NotChecked=46, Total=650 [2022-11-20 09:27:32,418 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 183 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 131 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:32,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 456 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 262 Invalid, 0 Unknown, 131 Unchecked, 0.3s Time] [2022-11-20 09:27:32,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-20 09:27:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 100. [2022-11-20 09:27:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 99 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 141 transitions. [2022-11-20 09:27:32,428 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 141 transitions. Word has length 33 [2022-11-20 09:27:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:32,428 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 141 transitions. [2022-11-20 09:27:32,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2022-11-20 09:27:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:27:32,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:32,430 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:32,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:32,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:32,639 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:32,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1557127099, now seen corresponding path program 2 times [2022-11-20 09:27:32,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:32,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695585391] [2022-11-20 09:27:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:33,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:33,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695585391] [2022-11-20 09:27:33,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695585391] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:33,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803464542] [2022-11-20 09:27:33,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:27:33,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:33,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 09:27:33,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:27:33,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:27:33,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 09:27:33,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:33,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:33,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:33,466 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 09:27:33,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 09:27:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:33,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:27:33,581 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:33,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:33,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:33,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:33,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:33,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:33,937 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:33,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-11-20 09:27:33,951 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:33,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 121 [2022-11-20 09:27:33,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2022-11-20 09:27:33,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2022-11-20 09:27:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:34,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803464542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:34,329 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:34,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2022-11-20 09:27:34,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445314192] [2022-11-20 09:27:34,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:34,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 09:27:34,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:34,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 09:27:34,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=440, Unknown=8, NotChecked=0, Total=552 [2022-11-20 09:27:34,331 INFO L87 Difference]: Start difference. First operand 100 states and 141 transitions. Second operand has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:34,685 INFO L93 Difference]: Finished difference Result 121 states and 165 transitions. [2022-11-20 09:27:34,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:27:34,686 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 09:27:34,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:34,687 INFO L225 Difference]: With dead ends: 121 [2022-11-20 09:27:34,687 INFO L226 Difference]: Without dead ends: 117 [2022-11-20 09:27:34,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=588, Unknown=8, NotChecked=0, Total=756 [2022-11-20 09:27:34,688 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 92 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 124 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:34,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 616 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 201 Invalid, 0 Unknown, 124 Unchecked, 0.2s Time] [2022-11-20 09:27:34,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-20 09:27:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 105. [2022-11-20 09:27:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2022-11-20 09:27:34,701 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 35 [2022-11-20 09:27:34,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:34,701 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2022-11-20 09:27:34,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2022-11-20 09:27:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:27:34,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:34,705 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:34,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:34,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:34,911 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:34,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:34,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2145137748, now seen corresponding path program 2 times [2022-11-20 09:27:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:34,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082160884] [2022-11-20 09:27:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:35,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:35,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082160884] [2022-11-20 09:27:35,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082160884] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:35,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438799212] [2022-11-20 09:27:35,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:27:35,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:35,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 09:27:35,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:27:35,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:27:35,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 09:27:35,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:35,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:35,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:35,970 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 09:27:35,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 47 [2022-11-20 09:27:35,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-20 09:27:35,993 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 09:27:35,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 35 [2022-11-20 09:27:36,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-20 09:27:36,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2022-11-20 09:27:36,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-20 09:27:36,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-11-20 09:27:36,202 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:36,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 14 [2022-11-20 09:27:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:36,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:36,338 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:36,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 79 [2022-11-20 09:27:36,433 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:36,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 46 [2022-11-20 09:27:36,442 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:36,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-11-20 09:27:36,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:36,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 52 [2022-11-20 09:27:36,494 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:36,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 57 [2022-11-20 09:27:36,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-20 09:27:36,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-11-20 09:27:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:36,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438799212] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:36,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:36,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2022-11-20 09:27:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463001149] [2022-11-20 09:27:36,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:36,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 09:27:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 09:27:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2022-11-20 09:27:36,611 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 24 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 24 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:37,263 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions. [2022-11-20 09:27:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:27:37,264 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 24 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 09:27:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:37,264 INFO L225 Difference]: With dead ends: 126 [2022-11-20 09:27:37,264 INFO L226 Difference]: Without dead ends: 114 [2022-11-20 09:27:37,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2022-11-20 09:27:37,266 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 112 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:37,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 399 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 257 Invalid, 0 Unknown, 41 Unchecked, 0.3s Time] [2022-11-20 09:27:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-20 09:27:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 105. [2022-11-20 09:27:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 104 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 146 transitions. [2022-11-20 09:27:37,277 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 146 transitions. Word has length 35 [2022-11-20 09:27:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:37,277 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 146 transitions. [2022-11-20 09:27:37,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.9166666666666665) internal successors, (70), 24 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2022-11-20 09:27:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:27:37,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:37,278 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:37,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:37,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 09:27:37,484 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 66922580, now seen corresponding path program 1 times [2022-11-20 09:27:37,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:37,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380945908] [2022-11-20 09:27:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:27:37,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:37,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380945908] [2022-11-20 09:27:37,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380945908] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:37,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644565975] [2022-11-20 09:27:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:37,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:37,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 09:27:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:37,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-20 09:27:37,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:37,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:37,955 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:37,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:37,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:37,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 09:27:38,074 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:38,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 61 [2022-11-20 09:27:38,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-20 09:27:38,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-20 09:27:38,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 21 [2022-11-20 09:27:38,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 09:27:38,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:38,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:38,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2022-11-20 09:27:38,214 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_624 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_624) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0) |c_ULTIMATE.start_main_~p~0#1.base|)) (forall ((v_ArrVal_626 (Array Int Int))) (= |c_ULTIMATE.start_main_~p~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_626) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))))) is different from false [2022-11-20 09:27:38,235 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:38,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-20 09:27:38,243 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:38,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2022-11-20 09:27:38,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 09:27:38,263 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:38,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-11-20 09:27:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-20 09:27:38,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644565975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:38,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:38,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2022-11-20 09:27:38,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380849606] [2022-11-20 09:27:38,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:38,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 09:27:38,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:38,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 09:27:38,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=261, Unknown=1, NotChecked=32, Total=342 [2022-11-20 09:27:38,378 INFO L87 Difference]: Start difference. First operand 105 states and 146 transitions. Second operand has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:38,798 INFO L93 Difference]: Finished difference Result 122 states and 166 transitions. [2022-11-20 09:27:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:27:38,799 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 09:27:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:38,799 INFO L225 Difference]: With dead ends: 122 [2022-11-20 09:27:38,799 INFO L226 Difference]: Without dead ends: 109 [2022-11-20 09:27:38,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=504, Unknown=1, NotChecked=46, Total=650 [2022-11-20 09:27:38,800 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:38,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 486 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 61 Unchecked, 0.2s Time] [2022-11-20 09:27:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-20 09:27:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 102. [2022-11-20 09:27:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.4059405940594059) internal successors, (142), 101 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 142 transitions. [2022-11-20 09:27:38,810 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 142 transitions. Word has length 35 [2022-11-20 09:27:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:38,810 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 142 transitions. [2022-11-20 09:27:38,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2022-11-20 09:27:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:27:38,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:38,812 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:38,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:39,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 09:27:39,015 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:39,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1257425147, now seen corresponding path program 1 times [2022-11-20 09:27:39,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:39,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883998842] [2022-11-20 09:27:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:39,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:39,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883998842] [2022-11-20 09:27:39,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883998842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:39,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47625723] [2022-11-20 09:27:39,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:39,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:39,577 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:39,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 09:27:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:39,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-20 09:27:39,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:39,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:39,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:39,771 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:39,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:39,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:27:39,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:39,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:39,913 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 09:27:39,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-20 09:27:40,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:40,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:40,134 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_62| Int) (v_ArrVal_734 (Array Int Int))) (let ((.cse0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_734))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_62| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_62|) |c_ULTIMATE.start_main_~t~0#1.offset| 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 3) (= .cse0 1)))) is different from false [2022-11-20 09:27:40,156 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_62| Int) (v_ArrVal_734 (Array Int Int))) (let ((.cse0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_734))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_62| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_62|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 3) (= .cse0 1)))) is different from false [2022-11-20 09:27:40,301 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:40,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 61 [2022-11-20 09:27:40,322 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:40,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 267 treesize of output 273 [2022-11-20 09:27:40,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 241 [2022-11-20 09:27:40,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:27:40,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 125 [2022-11-20 09:27:40,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:40,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 141 [2022-11-20 09:27:41,176 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:41,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 274 [2022-11-20 09:27:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 4 not checked. [2022-11-20 09:27:41,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47625723] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:41,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:41,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-20 09:27:41,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567751610] [2022-11-20 09:27:41,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:41,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 09:27:41,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:41,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 09:27:41,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=336, Unknown=18, NotChecked=78, Total=506 [2022-11-20 09:27:41,737 INFO L87 Difference]: Start difference. First operand 102 states and 142 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:42,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:42,547 INFO L93 Difference]: Finished difference Result 133 states and 177 transitions. [2022-11-20 09:27:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 09:27:42,550 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 09:27:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:42,551 INFO L225 Difference]: With dead ends: 133 [2022-11-20 09:27:42,551 INFO L226 Difference]: Without dead ends: 129 [2022-11-20 09:27:42,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=245, Invalid=929, Unknown=24, NotChecked=134, Total=1332 [2022-11-20 09:27:42,553 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 113 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 264 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:42,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 619 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 249 Invalid, 0 Unknown, 264 Unchecked, 0.3s Time] [2022-11-20 09:27:42,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-20 09:27:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 110. [2022-11-20 09:27:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 152 transitions. [2022-11-20 09:27:42,564 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 152 transitions. Word has length 35 [2022-11-20 09:27:42,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:42,565 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 152 transitions. [2022-11-20 09:27:42,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2022-11-20 09:27:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:27:42,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:42,566 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:42,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:42,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 09:27:42,773 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash -658078444, now seen corresponding path program 1 times [2022-11-20 09:27:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:42,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233220404] [2022-11-20 09:27:42,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:42,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:43,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233220404] [2022-11-20 09:27:43,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233220404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:43,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979084197] [2022-11-20 09:27:43,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:43,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:43,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:43,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:43,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 09:27:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:43,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-20 09:27:43,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:43,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:43,559 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:43,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:43,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:43,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:43,656 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:43,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 49 [2022-11-20 09:27:43,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-11-20 09:27:43,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-20 09:27:43,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-11-20 09:27:43,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-20 09:27:43,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:27:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:43,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:43,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2022-11-20 09:27:43,794 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (and (forall ((v_ArrVal_817 (Array Int Int))) (= |c_ULTIMATE.start_main_~p~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_817) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))) (forall ((v_ArrVal_814 (Array Int Int))) (= |c_ULTIMATE.start_main_~p~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~a~0#1.base|) .cse0))))) is different from false [2022-11-20 09:27:43,826 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:43,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-20 09:27:43,834 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:43,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-11-20 09:27:43,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:43,857 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:43,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-11-20 09:27:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-20 09:27:43,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979084197] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:43,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:43,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2022-11-20 09:27:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807241110] [2022-11-20 09:27:43,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:43,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 09:27:43,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:43,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 09:27:43,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=231, Unknown=1, NotChecked=30, Total=306 [2022-11-20 09:27:43,969 INFO L87 Difference]: Start difference. First operand 110 states and 152 transitions. Second operand has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:44,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:44,470 INFO L93 Difference]: Finished difference Result 129 states and 173 transitions. [2022-11-20 09:27:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:27:44,471 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 09:27:44,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:44,471 INFO L225 Difference]: With dead ends: 129 [2022-11-20 09:27:44,471 INFO L226 Difference]: Without dead ends: 116 [2022-11-20 09:27:44,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=452, Unknown=2, NotChecked=44, Total=600 [2022-11-20 09:27:44,472 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 100 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:44,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 456 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 252 Invalid, 0 Unknown, 95 Unchecked, 0.3s Time] [2022-11-20 09:27:44,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-20 09:27:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 105. [2022-11-20 09:27:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 104 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 146 transitions. [2022-11-20 09:27:44,481 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 146 transitions. Word has length 35 [2022-11-20 09:27:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:44,481 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 146 transitions. [2022-11-20 09:27:44,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2022-11-20 09:27:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 09:27:44,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:44,482 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:44,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:44,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 09:27:44,688 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1701842976, now seen corresponding path program 3 times [2022-11-20 09:27:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:44,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215200682] [2022-11-20 09:27:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:44,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:45,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:45,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215200682] [2022-11-20 09:27:45,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215200682] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:45,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322263485] [2022-11-20 09:27:45,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:27:45,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:45,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:45,539 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:45,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 09:27:45,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 09:27:45,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:27:45,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-20 09:27:45,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:45,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:45,815 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:45,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:45,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:45,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:45,943 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 09:27:45,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2022-11-20 09:27:45,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:45,968 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:45,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-11-20 09:27:45,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:46,065 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:46,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 92 [2022-11-20 09:27:46,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:46,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2022-11-20 09:27:46,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2022-11-20 09:27:46,166 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 09:27:46,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 56 [2022-11-20 09:27:46,183 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-20 09:27:46,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-11-20 09:27:46,213 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-20 09:27:46,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2022-11-20 09:27:46,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 09:27:46,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-11-20 09:27:46,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 85 [2022-11-20 09:27:46,798 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-11-20 09:27:46,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 77 [2022-11-20 09:27:47,095 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:47,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 14 [2022-11-20 09:27:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:47,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:47,716 INFO L321 Elim1Store]: treesize reduction 4, result has 90.0 percent of original size [2022-11-20 09:27:47,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1404 treesize of output 1358 [2022-11-20 09:27:47,766 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:47,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 823 treesize of output 726 [2022-11-20 09:27:49,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:27:49,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:27:50,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:27:50,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:27:50,665 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4))) (let ((.cse49 (= |c_ULTIMATE.start_main_~a~0#1.offset| .cse4)) (.cse48 (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) (let ((.cse2 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse61 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse61 0) (= .cse61 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.base|)))) (not (= (select v_arrayElimArr_13 .cse4) 0))))) (.cse3 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((v_ArrVal_932 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (let ((.cse60 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse60 0) (= .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse60 |c_ULTIMATE.start_main_~p~0#1.offset|))))))) (.cse7 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse59 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse59 0) (= .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse59 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|)))))) (.cse8 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse58 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse58 0) (= .cse58 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))))))) (.cse22 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse56 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse56 0) (= .cse56 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse57 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse57 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse57 |c_ULTIMATE.start_main_~a~0#1.base|))))))))) (.cse29 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse54 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse54 0) (= .cse54 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse55 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse55 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse55 |c_ULTIMATE.start_main_~a~0#1.base|))))))))) (.cse9 (and .cse49 .cse48)) (.cse41 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse53 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse53 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)))) (not (= (select v_arrayElimArr_13 .cse4) 0))))) (.cse43 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.offset|)) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse52 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse52 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse52 |c_ULTIMATE.start_main_~a~0#1.base|))))))))) (.cse6 (= |c_ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse44 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse51 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse51 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|)))))) (.cse45 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.offset|)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse50 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse50 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse50 |c_ULTIMATE.start_main_~a~0#1.base|)))))) (not (= (select v_arrayElimArr_13 .cse4) 0))))) (.cse0 (not .cse49)) (.cse1 (not .cse48))) (and (or .cse0 .cse1 (and (or (and .cse2 .cse3 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|)) (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) 0))))))) .cse6) .cse7 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|)) (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) 0)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))))) .cse8)) (or .cse9 (and (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse10 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse10 |c_ULTIMATE.start_main_~a~0#1.base|) (not (= .cse10 |c_ULTIMATE.start_main_~p~0#1.base|))))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse11 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse11 0) (not (= .cse11 .cse4))))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (or .cse6 (and (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse12 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse12 0) (= .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|) (not (= .cse12 .cse4))))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|))))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse13 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse13 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse13 |c_ULTIMATE.start_main_~a~0#1.base|) (not (= .cse13 |c_ULTIMATE.start_main_~p~0#1.base|))))) (forall ((v_ArrVal_932 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse4))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse14 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|) (not (= .cse14 .cse4))))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse15 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse15 |v_ULTIMATE.start_main_~p~0#1.base_79|) (not (= .cse15 |c_ULTIMATE.start_main_~p~0#1.base|))))))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse16 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse16 |c_ULTIMATE.start_main_~a~0#1.base|) (not (= .cse16 |c_ULTIMATE.start_main_~p~0#1.base|))))) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse17 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse17 0) (not (= .cse17 .cse4))))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse18 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse18 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse18 |c_ULTIMATE.start_main_~a~0#1.base|) (not (= .cse18 |c_ULTIMATE.start_main_~p~0#1.base|))))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_932 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) .cse4))))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse19 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse19 0) (= .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|) (not (= .cse19 .cse4))))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse20 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (not (= .cse20 .cse4))))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse21 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse21 |v_ULTIMATE.start_main_~p~0#1.base_79|) (not (= .cse21 |c_ULTIMATE.start_main_~p~0#1.base|))))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))))) (or .cse9 (and (or .cse6 (and .cse22 .cse2 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse23 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse23 .cse4) (= .cse23 0) (= .cse23 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.base|)))))) .cse3 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|)) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse24 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse24 0) (= .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse25 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse25 |c_ULTIMATE.start_main_~a~0#1.base|) (= .cse25 |c_ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) 0)))) (not (= (select v_arrayElimArr_13 .cse4) 0)))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse26 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse26 .cse4) (= .cse26 0) (= .cse26 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.base|)))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse27 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse27 |c_ULTIMATE.start_main_~a~0#1.base|) (= .cse27 |c_ULTIMATE.start_main_~p~0#1.base|)))) (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) 0)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~p~0#1.base|)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse28 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse28 0) (= .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) .cse7 .cse29 .cse8)) (or (and (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.offset|)) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse30 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse30 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse30 |c_ULTIMATE.start_main_~p~0#1.base|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse31 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse31 0) (= .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse31 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_ArrVal_930 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_79| Int) (v_ArrVal_927 (Array Int Int))) (let ((.cse32 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse32 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse32 |c_ULTIMATE.start_main_~a~0#1.base|) (= .cse32 |c_ULTIMATE.start_main_~p~0#1.base|) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|)))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse33 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse33 .cse4) (= .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse33 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse34 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse34 .cse4) (= .cse34 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse35 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse35 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse35 |c_ULTIMATE.start_main_~a~0#1.base|)))))))) (or (and (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse36 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse36 .cse4) (= .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse36 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse37 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse37 .cse4) (= .cse37 |c_ULTIMATE.start_main_~p~0#1.offset|)))) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse38 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse38 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse38 |c_ULTIMATE.start_main_~a~0#1.base|)))))))) (forall ((v_arrayElimArr_13 (Array Int Int))) (or (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |v_ULTIMATE.start_main_~p~0#1.base_79|)) (forall ((v_ArrVal_932 (Array Int Int))) (let ((.cse39 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse39 0) (= .cse39 |c_ULTIMATE.start_main_~a~0#1.offset|) (= .cse39 |c_ULTIMATE.start_main_~p~0#1.offset|)))))) (not (= (select v_arrayElimArr_13 .cse4) 0)))) (forall ((v_ArrVal_930 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_79| Int) (v_ArrVal_927 (Array Int Int))) (let ((.cse40 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse40 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse40 |c_ULTIMATE.start_main_~a~0#1.base|) (= .cse40 |c_ULTIMATE.start_main_~p~0#1.base|)))) .cse22 .cse41 (forall ((v_arrayElimArr_13 (Array Int Int))) (or (not (= (select v_arrayElimArr_13 .cse4) 0)) (forall ((|v_ULTIMATE.start_main_~p~0#1.base_79| Int)) (or (forall ((v_ArrVal_932 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~p~0#1.base| v_arrayElimArr_13) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_932) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5) |c_ULTIMATE.start_main_~a~0#1.offset|)) (forall ((v_ArrVal_930 (Array Int Int)) (v_ArrVal_927 (Array Int Int))) (let ((.cse42 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse42 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse42 |c_ULTIMATE.start_main_~p~0#1.base|)))))))) .cse43) .cse6) .cse44 .cse29 .cse45) .cse9) (or (and (forall ((v_ArrVal_930 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_79| Int) (v_ArrVal_927 (Array Int Int))) (let ((.cse46 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse46 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse46 |c_ULTIMATE.start_main_~p~0#1.base|) (= |v_ULTIMATE.start_main_~p~0#1.base_79| |c_ULTIMATE.start_main_~a~0#1.base|)))) (or (and .cse41 (forall ((v_ArrVal_930 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_79| Int) (v_ArrVal_927 (Array Int Int))) (let ((.cse47 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_927) |v_ULTIMATE.start_main_~p~0#1.base_79| v_ArrVal_930) |c_ULTIMATE.start_main_~a~0#1.base|) .cse5))) (or (= .cse47 |v_ULTIMATE.start_main_~p~0#1.base_79|) (= .cse47 |c_ULTIMATE.start_main_~p~0#1.base|)))) .cse43) .cse6) .cse44 .cse45) .cse0 .cse1))))) is different from false [2022-11-20 09:27:53,254 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2022-11-20 09:27:53,265 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2022-11-20 09:27:53,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:53,286 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-20 09:27:53,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:53,299 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-20 09:27:53,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-20 09:27:53,348 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-20 09:27:53,375 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 1 [2022-11-20 09:27:53,385 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 1 [2022-11-20 09:27:53,401 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2022-11-20 09:27:53,412 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2022-11-20 09:27:53,437 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2022-11-20 09:27:53,460 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2022-11-20 09:27:53,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 49 [2022-11-20 09:27:53,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2022-11-20 09:27:53,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2022-11-20 09:27:53,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-20 09:27:53,714 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-11-20 09:27:53,726 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-11-20 09:27:53,738 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 1 [2022-11-20 09:27:53,762 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 1 [2022-11-20 09:27:53,776 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 1 [2022-11-20 09:27:53,789 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 1 [2022-11-20 09:27:53,802 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-20 09:27:53,814 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 09:27:53,822 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 09:27:53,829 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 09:27:53,837 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 09:27:53,856 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2022-11-20 09:27:53,867 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2022-11-20 09:27:53,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:53,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-11-20 09:27:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:53,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-11-20 09:27:53,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:53,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-11-20 09:27:53,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:53,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-20 09:27:53,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:53,938 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:53,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 56 [2022-11-20 09:27:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:53,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:53,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-11-20 09:27:53,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:53,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2022-11-20 09:27:53,982 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 1 [2022-11-20 09:27:53,996 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:53,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 1 [2022-11-20 09:27:54,014 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:54,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-11-20 09:27:54,028 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:54,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 1 [2022-11-20 09:27:54,042 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:54,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 1 [2022-11-20 09:27:54,056 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:54,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 1 [2022-11-20 09:27:54,070 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 09:27:54,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-11-20 09:27:54,080 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:54,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 56 [2022-11-20 09:27:54,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:27:54,098 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:54,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 73 [2022-11-20 09:27:54,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2022-11-20 09:27:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 4 not checked. [2022-11-20 09:27:54,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322263485] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:54,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:54,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 34 [2022-11-20 09:27:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474694502] [2022-11-20 09:27:54,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:54,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-20 09:27:54,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-20 09:27:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=949, Unknown=4, NotChecked=62, Total=1122 [2022-11-20 09:27:54,427 INFO L87 Difference]: Start difference. First operand 105 states and 146 transitions. Second operand has 34 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 34 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:56,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:56,515 INFO L93 Difference]: Finished difference Result 127 states and 171 transitions. [2022-11-20 09:27:56,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:27:56,516 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 34 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-20 09:27:56,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:56,517 INFO L225 Difference]: With dead ends: 127 [2022-11-20 09:27:56,517 INFO L226 Difference]: Without dead ends: 123 [2022-11-20 09:27:56,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=269, Invalid=2083, Unknown=4, NotChecked=94, Total=2450 [2022-11-20 09:27:56,519 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 127 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 230 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:56,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 710 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 430 Invalid, 0 Unknown, 230 Unchecked, 0.5s Time] [2022-11-20 09:27:56,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-20 09:27:56,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 116. [2022-11-20 09:27:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.391304347826087) internal successors, (160), 115 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2022-11-20 09:27:56,529 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 37 [2022-11-20 09:27:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:56,530 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2022-11-20 09:27:56,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 34 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2022-11-20 09:27:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 09:27:56,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:56,531 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:56,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:56,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 09:27:56,737 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:56,737 INFO L85 PathProgramCache]: Analyzing trace with hash -677140000, now seen corresponding path program 2 times [2022-11-20 09:27:56,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:56,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949290462] [2022-11-20 09:27:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:57,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:57,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949290462] [2022-11-20 09:27:57,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949290462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:57,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403663135] [2022-11-20 09:27:57,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:27:57,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:57,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:57,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:57,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 09:27:57,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:27:57,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:27:57,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-20 09:27:57,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:57,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:57,415 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:27:57,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:27:57,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:57,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:27:57,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:57,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:27:57,549 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 09:27:57,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-20 09:27:57,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:57,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 23 [2022-11-20 09:27:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:27:57,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:57,662 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_87| Int) (v_ArrVal_1042 (Array Int Int))) (not (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1042))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_87| (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_87|) |c_ULTIMATE.start_main_~t~0#1.offset| 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-11-20 09:27:57,672 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_87| Int) (v_ArrVal_1042 (Array Int Int))) (not (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1042))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_87| (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_87|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2022-11-20 09:27:57,749 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:57,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 41 [2022-11-20 09:27:57,768 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:57,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 223 treesize of output 231 [2022-11-20 09:27:57,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 190 [2022-11-20 09:27:57,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:27:57,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:27:57,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:27:57,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:57,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2022-11-20 09:27:57,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:27:57,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-11-20 09:27:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 6 not checked. [2022-11-20 09:27:58,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403663135] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:58,107 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:27:58,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2022-11-20 09:27:58,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125430255] [2022-11-20 09:27:58,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:58,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 09:27:58,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:27:58,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 09:27:58,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=8, NotChecked=66, Total=380 [2022-11-20 09:27:58,110 INFO L87 Difference]: Start difference. First operand 116 states and 160 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:58,457 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-11-20 09:27:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:27:58,457 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-20 09:27:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:58,458 INFO L225 Difference]: With dead ends: 128 [2022-11-20 09:27:58,458 INFO L226 Difference]: Without dead ends: 120 [2022-11-20 09:27:58,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=8, NotChecked=90, Total=650 [2022-11-20 09:27:58,459 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 48 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 149 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:58,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 518 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 116 Invalid, 0 Unknown, 149 Unchecked, 0.2s Time] [2022-11-20 09:27:58,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-20 09:27:58,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2022-11-20 09:27:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.38135593220339) internal successors, (163), 118 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 163 transitions. [2022-11-20 09:27:58,471 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 163 transitions. Word has length 37 [2022-11-20 09:27:58,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:58,471 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 163 transitions. [2022-11-20 09:27:58,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2022-11-20 09:27:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 09:27:58,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:58,472 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:58,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:58,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 09:27:58,678 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:58,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash -426372960, now seen corresponding path program 1 times [2022-11-20 09:27:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:58,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246450376] [2022-11-20 09:27:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:27:59,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:27:59,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246450376] [2022-11-20 09:27:59,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246450376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:27:59,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595953896] [2022-11-20 09:27:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:59,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:27:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:59,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:27:59,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 09:27:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:59,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-20 09:27:59,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:59,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:27:59,798 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 09:27:59,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 09:27:59,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:59,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:59,964 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:27:59,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 09:27:59,980 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-20 09:27:59,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-20 09:27:59,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:27:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:27:59,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:28:00,080 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 09:28:00,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 103 [2022-11-20 09:28:00,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2022-11-20 09:28:00,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 93 [2022-11-20 09:28:00,266 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-20 09:28:00,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 145 [2022-11-20 09:28:00,291 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 09:28:00,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 134 [2022-11-20 09:28:00,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2022-11-20 09:28:00,443 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 09:28:00,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 60 [2022-11-20 09:28:00,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 26 [2022-11-20 09:28:00,601 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:28:00,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2022-11-20 09:28:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:28:00,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:28:00,860 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:00,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2022-11-20 09:28:00,879 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:00,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1428 treesize of output 1403 [2022-11-20 09:28:00,927 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:00,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 541 treesize of output 494 [2022-11-20 09:28:01,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:28:01,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:28:01,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:28:02,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2022-11-20 09:28:02,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-20 09:28:02,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2022-11-20 09:28:02,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2022-11-20 09:28:02,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2022-11-20 09:28:02,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-11-20 09:28:42,426 WARN L233 SmtUtils]: Spent 39.35s on a formula simplification. DAG size of input: 189 DAG size of output: 162 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 09:28:44,141 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1094 treesize of output 975 [2022-11-20 09:28:44,182 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 964 treesize of output 815 [2022-11-20 09:28:44,259 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3277 treesize of output 2280 [2022-11-20 09:28:44,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2056 treesize of output 2048 [2022-11-20 09:28:44,413 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2048 treesize of output 2049 [2022-11-20 09:28:44,516 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3351 treesize of output 3242 [2022-11-20 09:28:44,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3226 treesize of output 3194 [2022-11-20 09:28:44,698 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3194 treesize of output 3087 [2022-11-20 09:28:44,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3078 treesize of output 3046 [2022-11-20 09:28:44,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3046 treesize of output 3014 [2022-11-20 09:28:44,916 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:44,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3014 treesize of output 3003 [2022-11-20 09:28:44,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2994 treesize of output 2986 [2022-11-20 09:28:45,042 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2986 treesize of output 2907 [2022-11-20 09:28:45,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2898 treesize of output 2866 [2022-11-20 09:28:45,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2866 treesize of output 2858 [2022-11-20 09:28:45,216 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2858 treesize of output 2859 [2022-11-20 09:28:45,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2850 treesize of output 2818 [2022-11-20 09:28:45,325 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2818 treesize of output 2787 [2022-11-20 09:28:45,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2778 treesize of output 2770 [2022-11-20 09:28:45,459 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2770 treesize of output 2711 [2022-11-20 09:28:45,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2702 treesize of output 2694 [2022-11-20 09:28:45,574 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2694 treesize of output 2695 [2022-11-20 09:28:45,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2686 treesize of output 2670 [2022-11-20 09:28:45,698 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2670 treesize of output 2627 [2022-11-20 09:28:45,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2618 treesize of output 2610 [2022-11-20 09:28:45,822 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2610 treesize of output 2595 [2022-11-20 09:28:45,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2586 treesize of output 2570 [2022-11-20 09:28:45,982 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:45,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2570 treesize of output 2567 [2022-11-20 09:28:46,058 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2558 treesize of output 2475 [2022-11-20 09:28:46,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2466 treesize of output 2450 [2022-11-20 09:28:46,196 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2450 treesize of output 2439 [2022-11-20 09:28:46,271 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2430 treesize of output 2419 [2022-11-20 09:28:46,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2410 treesize of output 2394 [2022-11-20 09:28:46,420 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2394 treesize of output 2359 [2022-11-20 09:28:46,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2350 treesize of output 2342 [2022-11-20 09:28:46,585 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2342 treesize of output 2343 [2022-11-20 09:28:46,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2334 treesize of output 2326 [2022-11-20 09:28:46,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2326 treesize of output 2310 [2022-11-20 09:28:46,803 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2310 treesize of output 2307 [2022-11-20 09:28:46,920 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:46,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2298 treesize of output 2295 [2022-11-20 09:28:47,035 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:47,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2286 treesize of output 2283 [2022-11-20 09:28:47,135 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:47,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2274 treesize of output 2199 [2022-11-20 09:28:47,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2190 treesize of output 2174 [2022-11-20 09:28:47,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2174 treesize of output 2166 [2022-11-20 09:28:47,374 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:28:47,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2166 treesize of output 2147 [2022-11-20 09:32:06,455 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:06,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 09:32:06,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-20 09:32:06,480 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2022-11-20 09:32:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-11-20 09:32:06,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-20 09:32:06,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2022-11-20 09:32:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-11-20 09:32:06,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-20 09:32:06,550 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-20 09:32:06,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-20 09:32:06,576 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-20 09:32:06,591 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:06,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-20 09:32:06,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-11-20 09:32:06,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-11-20 09:32:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:06,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:06,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-11-20 09:32:06,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-20 09:32:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:11,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595953896] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:11,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:32:11,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 28 [2022-11-20 09:32:11,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329258212] [2022-11-20 09:32:11,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:11,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 09:32:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:11,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 09:32:11,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=650, Unknown=2, NotChecked=0, Total=756 [2022-11-20 09:32:11,861 INFO L87 Difference]: Start difference. First operand 119 states and 163 transitions. Second operand has 28 states, 28 states have (on average 2.75) internal successors, (77), 28 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:14,714 INFO L93 Difference]: Finished difference Result 152 states and 201 transitions. [2022-11-20 09:32:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 09:32:14,715 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.75) internal successors, (77), 28 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-20 09:32:14,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:14,716 INFO L225 Difference]: With dead ends: 152 [2022-11-20 09:32:14,716 INFO L226 Difference]: Without dead ends: 148 [2022-11-20 09:32:14,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 47.9s TimeCoverageRelationStatistics Valid=190, Invalid=1212, Unknown=4, NotChecked=0, Total=1406 [2022-11-20 09:32:14,717 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 89 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 139 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:14,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 562 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 395 Invalid, 0 Unknown, 139 Unchecked, 0.4s Time] [2022-11-20 09:32:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-20 09:32:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2022-11-20 09:32:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 120 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 166 transitions. [2022-11-20 09:32:14,730 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 166 transitions. Word has length 37 [2022-11-20 09:32:14,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:14,730 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 166 transitions. [2022-11-20 09:32:14,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.75) internal successors, (77), 28 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 166 transitions. [2022-11-20 09:32:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 09:32:14,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:14,731 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:14,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:14,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:14,937 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:14,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash -650764960, now seen corresponding path program 1 times [2022-11-20 09:32:14,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:14,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641957357] [2022-11-20 09:32:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:14,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:15,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:15,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641957357] [2022-11-20 09:32:15,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641957357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:32:15,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319465276] [2022-11-20 09:32:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:15,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:15,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:15,415 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:15,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 09:32:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:15,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:32:15,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:15,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:32:15,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:15,638 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:32:15,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-20 09:32:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:15,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:32:15,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:32:15,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:32:15,774 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 09:32:15,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-20 09:32:15,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:32:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:15,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:15,962 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1269 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_104| Int)) (not (= 2 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1269))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_104| (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_104|) |c_ULTIMATE.start_main_~t~0#1.offset| 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) is different from false [2022-11-20 09:32:15,972 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1269 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_104| Int)) (not (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1269))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_104| (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_104|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2))) is different from false [2022-11-20 09:32:16,063 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:16,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 41 [2022-11-20 09:32:16,083 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:16,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 223 treesize of output 231 [2022-11-20 09:32:16,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 190 [2022-11-20 09:32:16,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:32:16,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:32:16,223 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:16,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-11-20 09:32:16,254 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 09:32:16,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 1 [2022-11-20 09:32:16,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:32:16,275 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:16,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2022-11-20 09:32:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 6 not checked. [2022-11-20 09:32:16,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319465276] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:16,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:32:16,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 23 [2022-11-20 09:32:16,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410643746] [2022-11-20 09:32:16,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:16,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 09:32:16,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:16,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 09:32:16,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=342, Unknown=11, NotChecked=78, Total=506 [2022-11-20 09:32:16,371 INFO L87 Difference]: Start difference. First operand 121 states and 166 transitions. Second operand has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:16,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:16,829 INFO L93 Difference]: Finished difference Result 158 states and 205 transitions. [2022-11-20 09:32:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:32:16,830 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-20 09:32:16,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:16,830 INFO L225 Difference]: With dead ends: 158 [2022-11-20 09:32:16,831 INFO L226 Difference]: Without dead ends: 146 [2022-11-20 09:32:16,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=176, Invalid=691, Unknown=11, NotChecked=114, Total=992 [2022-11-20 09:32:16,832 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 100 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 205 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:16,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 687 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 140 Invalid, 0 Unknown, 205 Unchecked, 0.2s Time] [2022-11-20 09:32:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-11-20 09:32:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 124. [2022-11-20 09:32:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3658536585365855) internal successors, (168), 123 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 168 transitions. [2022-11-20 09:32:16,845 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 168 transitions. Word has length 37 [2022-11-20 09:32:16,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:16,845 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 168 transitions. [2022-11-20 09:32:16,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 168 transitions. [2022-11-20 09:32:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 09:32:16,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:16,846 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:16,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:17,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 09:32:17,047 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash 373938016, now seen corresponding path program 1 times [2022-11-20 09:32:17,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:17,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23372786] [2022-11-20 09:32:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:17,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:17,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23372786] [2022-11-20 09:32:17,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23372786] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:32:17,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779337501] [2022-11-20 09:32:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:17,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:17,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:17,826 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:17,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 09:32:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-20 09:32:18,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:18,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:32:18,063 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 09:32:18,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 09:32:18,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:18,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:18,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:18,205 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:32:18,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 09:32:18,221 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-20 09:32:18,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-20 09:32:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:32:18,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:32:18,312 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 09:32:18,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 103 [2022-11-20 09:32:18,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2022-11-20 09:32:18,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 93 [2022-11-20 09:32:18,487 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-20 09:32:18,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 145 [2022-11-20 09:32:18,509 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 09:32:18,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 134 [2022-11-20 09:32:18,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2022-11-20 09:32:18,637 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 09:32:18,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 60 [2022-11-20 09:32:18,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 26 [2022-11-20 09:32:18,699 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:32:18,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2022-11-20 09:32:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:18,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:18,947 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:18,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2022-11-20 09:32:18,972 INFO L321 Elim1Store]: treesize reduction 4, result has 91.7 percent of original size [2022-11-20 09:32:18,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2438 treesize of output 2310 [2022-11-20 09:32:19,010 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:19,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1083 treesize of output 981 [2022-11-20 09:32:19,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-20 09:32:19,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-20 09:32:19,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2022-11-20 09:32:20,873 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:20,884 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 303 treesize of output 200 [2022-11-20 09:32:20,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:20,910 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 146 [2022-11-20 09:32:20,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 118 [2022-11-20 09:32:20,937 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 157 [2022-11-20 09:32:20,954 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:20,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 269 treesize of output 217 [2022-11-20 09:32:20,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2022-11-20 09:32:21,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 49 [2022-11-20 09:32:21,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:21,149 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-20 09:32:21,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2022-11-20 09:32:21,187 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2022-11-20 09:32:21,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:21,197 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 58 [2022-11-20 09:32:21,207 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-20 09:32:21,248 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-20 09:32:21,260 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 214 [2022-11-20 09:32:21,271 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2022-11-20 09:32:21,286 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 155 [2022-11-20 09:32:21,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 126 [2022-11-20 09:32:21,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:21,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-20 09:32:21,332 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 135 [2022-11-20 09:32:21,461 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:21,474 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 255 treesize of output 200 [2022-11-20 09:32:21,486 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:21,503 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 76 [2022-11-20 09:32:21,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 118 [2022-11-20 09:32:21,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:21,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2022-11-20 09:32:21,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 115 [2022-11-20 09:32:21,657 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 51 [2022-11-20 09:32:21,672 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 556 treesize of output 357 [2022-11-20 09:32:21,689 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:21,709 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 147 [2022-11-20 09:32:21,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 251 [2022-11-20 09:32:21,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:21,746 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2022-11-20 09:32:21,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:21,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 272 treesize of output 224 [2022-11-20 09:32:22,022 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:22,032 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-11-20 09:32:22,048 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 125 [2022-11-20 09:32:22,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:22,066 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2022-11-20 09:32:22,083 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 78 [2022-11-20 09:32:22,120 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2022-11-20 09:32:22,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2022-11-20 09:32:22,195 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:22,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 202 treesize of output 135 [2022-11-20 09:32:22,219 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 09:32:22,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:22,235 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2022-11-20 09:32:22,256 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 78 [2022-11-20 09:32:22,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2022-11-20 09:32:22,275 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-20 09:32:22,329 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 49 [2022-11-20 09:32:22,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:22,341 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2022-11-20 09:32:22,351 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2022-11-20 09:32:22,385 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-20 09:32:22,398 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 145 [2022-11-20 09:32:22,415 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2022-11-20 09:32:22,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2022-11-20 09:32:22,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 75 [2022-11-20 09:32:22,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:22,458 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-20 09:32:22,472 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 82 [2022-11-20 09:32:22,593 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2022-11-20 09:32:22,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:22,606 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 58 [2022-11-20 09:32:22,621 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:22,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-20 09:32:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:23,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779337501] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:32:23,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:32:23,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 28 [2022-11-20 09:32:23,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528697498] [2022-11-20 09:32:23,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:23,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 09:32:23,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:23,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 09:32:23,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=659, Unknown=1, NotChecked=0, Total=756 [2022-11-20 09:32:23,829 INFO L87 Difference]: Start difference. First operand 124 states and 168 transitions. Second operand has 28 states, 28 states have (on average 2.6785714285714284) internal successors, (75), 28 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:25,029 INFO L93 Difference]: Finished difference Result 136 states and 181 transitions. [2022-11-20 09:32:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 09:32:25,029 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.6785714285714284) internal successors, (75), 28 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-20 09:32:25,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:25,030 INFO L225 Difference]: With dead ends: 136 [2022-11-20 09:32:25,030 INFO L226 Difference]: Without dead ends: 130 [2022-11-20 09:32:25,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=256, Invalid=1813, Unknown=1, NotChecked=0, Total=2070 [2022-11-20 09:32:25,031 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 125 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 269 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:25,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 612 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 378 Invalid, 0 Unknown, 269 Unchecked, 0.4s Time] [2022-11-20 09:32:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-20 09:32:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2022-11-20 09:32:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.36) internal successors, (170), 125 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 170 transitions. [2022-11-20 09:32:25,045 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 170 transitions. Word has length 37 [2022-11-20 09:32:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:25,045 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 170 transitions. [2022-11-20 09:32:25,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.6785714285714284) internal successors, (75), 28 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 170 transitions. [2022-11-20 09:32:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 09:32:25,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:25,047 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:25,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:25,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:25,252 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:25,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:25,253 INFO L85 PathProgramCache]: Analyzing trace with hash 960119995, now seen corresponding path program 4 times [2022-11-20 09:32:25,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:25,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150042615] [2022-11-20 09:32:25,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:25,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:26,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:26,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150042615] [2022-11-20 09:32:26,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150042615] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:32:26,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368486549] [2022-11-20 09:32:26,282 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 09:32:26,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:26,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:26,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 09:32:26,470 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 09:32:26,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:32:26,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-20 09:32:26,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:26,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:32:26,542 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 09:32:26,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 09:32:26,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:26,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:32:26,690 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 09:32:26,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 09:32:26,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 09:32:26,713 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:32:26,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 09:32:26,740 INFO L321 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-11-20 09:32:26,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-11-20 09:32:26,833 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-11-20 09:32:26,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 75 [2022-11-20 09:32:26,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 82 [2022-11-20 09:32:26,960 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-20 09:32:26,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 132 [2022-11-20 09:32:26,981 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-20 09:32:26,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 121 [2022-11-20 09:32:26,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2022-11-20 09:32:27,276 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 09:32:27,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 58 [2022-11-20 09:32:27,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2022-11-20 09:32:27,343 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 09:32:27,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 14 [2022-11-20 09:32:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:32:27,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:27,468 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:27,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 202 treesize of output 205 [2022-11-20 09:32:29,772 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:29,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 103 [2022-11-20 09:32:29,781 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:29,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 116 [2022-11-20 09:32:30,234 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 86 [2022-11-20 09:32:30,243 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 90 [2022-11-20 09:32:30,257 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 665 treesize of output 466 [2022-11-20 09:32:30,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:30,728 INFO L321 Elim1Store]: treesize reduction 122, result has 72.1 percent of original size [2022-11-20 09:32:30,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 2520 treesize of output 2289 [2022-11-20 09:32:30,834 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1133 treesize of output 837 [2022-11-20 09:32:30,883 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 499 treesize of output 443 [2022-11-20 09:32:30,944 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:30,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 646 treesize of output 622 [2022-11-20 09:32:30,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 77 [2022-11-20 09:32:46,236 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 82 [2022-11-20 09:32:46,245 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2022-11-20 09:32:46,346 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 1201 treesize of output 938 [2022-11-20 09:32:46,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:32:46,387 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1212 treesize of output 1037 [2022-11-20 09:32:46,423 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1039 treesize of output 775 [2022-11-20 09:32:46,497 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 676 treesize of output 674 [2022-11-20 09:32:46,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:32:46,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 660 treesize of output 712 [2022-11-20 09:33:17,339 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 82 [2022-11-20 09:33:17,350 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2022-11-20 09:33:17,468 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 2336 treesize of output 1679 [2022-11-20 09:33:17,519 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 5190 treesize of output 4871 [2022-11-20 09:33:17,587 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4866 treesize of output 3254 [2022-11-20 09:33:17,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3240 treesize of output 2808 [2022-11-20 09:33:17,777 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 2630 treesize of output 2656 [2022-11-20 09:33:17,914 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:33:17,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 2598 treesize of output 2546 [2022-11-20 09:35:51,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:51,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 86 [2022-11-20 09:35:51,908 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:51,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 90 [2022-11-20 09:35:51,930 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:51,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 652 treesize of output 459 [2022-11-20 09:35:51,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:52,437 INFO L321 Elim1Store]: treesize reduction 122, result has 72.1 percent of original size [2022-11-20 09:35:52,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 2456 treesize of output 2257 [2022-11-20 09:35:52,583 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:52,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2086 treesize of output 1470 [2022-11-20 09:35:52,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1414 treesize of output 1334 [2022-11-20 09:35:52,699 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:52,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 780 treesize of output 720 [2022-11-20 09:35:52,831 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:52,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1198 treesize of output 1158 [2022-11-20 09:36:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:36:02,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368486549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:36:02,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:36:02,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 30 [2022-11-20 09:36:02,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916296462] [2022-11-20 09:36:02,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:36:02,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-20 09:36:02,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:02,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-20 09:36:02,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2022-11-20 09:36:02,183 INFO L87 Difference]: Start difference. First operand 126 states and 170 transitions. Second operand has 30 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 30 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:04,083 INFO L93 Difference]: Finished difference Result 159 states and 205 transitions. [2022-11-20 09:36:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 09:36:04,083 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 30 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-20 09:36:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:04,084 INFO L225 Difference]: With dead ends: 159 [2022-11-20 09:36:04,084 INFO L226 Difference]: Without dead ends: 154 [2022-11-20 09:36:04,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=310, Invalid=2042, Unknown=0, NotChecked=0, Total=2352 [2022-11-20 09:36:04,086 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 210 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 304 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:04,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 789 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 304 Unchecked, 0.8s Time] [2022-11-20 09:36:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-20 09:36:04,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2022-11-20 09:36:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.3511450381679388) internal successors, (177), 131 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 177 transitions. [2022-11-20 09:36:04,100 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 177 transitions. Word has length 39 [2022-11-20 09:36:04,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:04,101 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 177 transitions. [2022-11-20 09:36:04,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 30 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-11-20 09:36:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 09:36:04,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:04,102 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:04,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:04,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:04,308 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:36:04,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2021779308, now seen corresponding path program 2 times [2022-11-20 09:36:04,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:04,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081340027] [2022-11-20 09:36:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:04,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:36:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:04,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081340027] [2022-11-20 09:36:04,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081340027] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:36:04,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186753739] [2022-11-20 09:36:04,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:36:04,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:04,868 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:36:04,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4ded37-1781-49b9-b323-5febbe574bde/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 09:36:05,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:36:05,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:36:05,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 09:36:05,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:05,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 09:36:05,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 09:36:05,171 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 09:36:05,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 09:36:05,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:36:05,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 09:36:05,334 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-20 09:36:05,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 09:36:05,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:36:05,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:36:05,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:36:05,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 09:36:05,576 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-20 09:36:05,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2022-11-20 09:36:05,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-20 09:36:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:36:05,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:36:05,912 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1646 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_132| Int)) (let ((.cse0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1646))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132|) |c_ULTIMATE.start_main_~t~0#1.offset| 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 3) (= .cse0 1)))) is different from false [2022-11-20 09:36:05,930 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1646 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_132| Int)) (let ((.cse0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1646))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= 3 .cse0) (= .cse0 1)))) is different from false [2022-11-20 09:36:05,959 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1646 (Array Int Int)) (v_ArrVal_1642 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_132| Int)) (let ((.cse0 (select (select (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1642) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_1646))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (= .cse0 1) (= 3 .cse0)))) is different from false [2022-11-20 09:36:05,984 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1646 (Array Int Int)) (v_ArrVal_1642 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.base_132| Int) (|v_ULTIMATE.start_main_~t~0#1.base_48| Int)) (let ((.cse0 (select (select (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_1642) |v_ULTIMATE.start_main_~t~0#1.base_48| v_ArrVal_1646))) (store .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132| (store (select .cse1 |v_ULTIMATE.start_main_~p~0#1.base_132|) 0 3))) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~t~0#1.base_48|) 0)) (= .cse0 3) (= .cse0 1)))) is different from false [2022-11-20 09:36:06,114 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:36:06,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 73 [2022-11-20 09:36:06,161 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:36:06,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4339 treesize of output 4233 [2022-11-20 09:36:06,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4427 treesize of output 4171 [2022-11-20 09:36:06,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4123 treesize of output 3995 [2022-11-20 09:36:06,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 09:36:07,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2087 treesize of output 2023