./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array18_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array18_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 --- 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-e04fb08 [2022-11-16 06:28:40,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:28:40,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:28:40,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:28:40,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:28:40,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:28:40,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:28:40,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:28:40,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:28:40,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:28:40,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:28:40,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:28:40,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:28:40,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:28:40,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:28:40,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:28:40,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:28:40,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:28:40,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:28:40,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:28:40,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:28:40,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:28:40,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:28:40,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:28:40,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:28:40,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:28:40,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:28:40,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:28:40,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:28:40,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:28:40,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:28:40,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:28:40,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:28:40,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:28:40,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:28:40,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:28:40,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:28:40,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:28:40,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:28:40,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:28:40,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:28:40,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 06:28:40,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:28:40,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:28:40,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:28:40,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 06:28:40,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:28:40,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:28:40,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:28:40,254 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:28:40,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:28:40,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:28:40,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:28:40,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:28:40,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:28:40,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:28:40,256 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:28:40,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:28:40,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:28:40,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:28:40,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:28:40,257 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:28:40,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:28:40,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:28:40,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:28:40,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:28:40,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:28:40,259 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 06:28:40,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:28:40,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:28:40,260 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_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 [2022-11-16 06:28:40,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:28:40,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:28:40,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:28:40,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:28:40,668 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:28:40,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-patterns/array18_pattern.c [2022-11-16 06:28:40,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/data/1db10319a/26e351b1f53a408ab7ab0c9d18555b7c/FLAGdf93030cb [2022-11-16 06:28:41,423 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:28:41,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/sv-benchmarks/c/array-patterns/array18_pattern.c [2022-11-16 06:28:41,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/data/1db10319a/26e351b1f53a408ab7ab0c9d18555b7c/FLAGdf93030cb [2022-11-16 06:28:41,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/data/1db10319a/26e351b1f53a408ab7ab0c9d18555b7c [2022-11-16 06:28:41,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:28:41,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:28:41,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:28:41,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:28:41,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:28:41,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:28:41" (1/1) ... [2022-11-16 06:28:41,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b79a7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:41, skipping insertion in model container [2022-11-16 06:28:41,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:28:41" (1/1) ... [2022-11-16 06:28:41,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:28:41,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:28:42,066 WARN L229 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_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2022-11-16 06:28:42,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:28:42,103 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:28:42,118 WARN L229 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_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2022-11-16 06:28:42,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:28:42,149 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:28:42,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42 WrapperNode [2022-11-16 06:28:42,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:28:42,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:28:42,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:28:42,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:28:42,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,219 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-11-16 06:28:42,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:28:42,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:28:42,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:28:42,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:28:42,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:28:42,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:28:42,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:28:42,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:28:42,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:42,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:28:42,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:28:42,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:28:42,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2954db66-3ff0-4ef9-aedb-f6e9a8037b2f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:28:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 06:28:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 06:28:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 06:28:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 06:28:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:28:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:28:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:28:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:28:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:28:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:28:42,453 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:28:42,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:28:42,831 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:28:42,991 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:28:42,991 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 06:28:42,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:28:42 BoogieIcfgContainer [2022-11-16 06:28:42,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:28:42,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:28:42,996 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:28:43,014 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:28:43,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:28:42" (1/1) ... [2022-11-16 06:28:43,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:28:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-16 06:28:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-16 06:28:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 06:28:43,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:43,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 06:28:43,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-16 06:28:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-16 06:28:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:28:43,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:43,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:43,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 06:28:43,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 06:28:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-11-16 06:28:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-11-16 06:28:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:28:43,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 06:28:43,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:28:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-11-16 06:28:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-11-16 06:28:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:28:44,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:44,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:44,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 06:28:44,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:28:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-11-16 06:28:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-11-16 06:28:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:28:44,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:44,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 06:28:44,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 06:28:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-11-16 06:28:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-11-16 06:28:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 06:28:45,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:45,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 06:28:45,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:28:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2022-11-16 06:28:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2022-11-16 06:28:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 06:28:46,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:46,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:46,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 06:28:46,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 06:28:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-11-16 06:28:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-11-16 06:28:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:28:46,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:46,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 06:28:46,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:28:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2022-11-16 06:28:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2022-11-16 06:28:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:28:47,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:47,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:47,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 06:28:47,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:48,394 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 0 case distinctions, treesize of input 37 treesize of output 32 [2022-11-16 06:28:48,410 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 8 treesize of output 7 [2022-11-16 06:28:48,425 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 06:28:49,556 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 0 case distinctions, treesize of input 550 treesize of output 527 [2022-11-16 06:28:52,438 INFO L321 Elim1Store]: treesize reduction 3932, result has 3.8 percent of original size [2022-11-16 06:28:52,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 758 treesize of output 1647 [2022-11-16 06:28:53,415 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:28:53,417 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 749 [2022-11-16 06:28:53,750 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:28:53,752 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 749 [2022-11-16 06:28:53,890 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:28:53,893 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 737 [2022-11-16 06:28:54,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:28:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:28:54,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,378 INFO L321 Elim1Store]: treesize reduction 350, result has 2.0 percent of original size [2022-11-16 06:28:54,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 423 treesize of output 411 [2022-11-16 06:28:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:28:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:28:54,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:28:54,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:28:54,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 481 treesize of output 62 [2022-11-16 06:28:55,097 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:28:55,098 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 95 treesize of output 56 [2022-11-16 06:28:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:28:57,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 115 transitions. [2022-11-16 06:28:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2022-11-16 06:28:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:28:57,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:57,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:57,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 06:28:57,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:28:58,933 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 0 case distinctions, treesize of input 470 treesize of output 453 [2022-11-16 06:28:59,971 INFO L321 Elim1Store]: treesize reduction 2335, result has 4.0 percent of original size [2022-11-16 06:28:59,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 684 treesize of output 1546 [2022-11-16 06:29:00,169 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,177 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1163 [2022-11-16 06:29:00,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:29:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:29:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:29:00,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:29:00,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:29:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:29:00,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:29:00,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:29:00,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:29:00,606 INFO L217 Elim1Store]: Index analysis took 227 ms [2022-11-16 06:29:00,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 819 treesize of output 672 [2022-11-16 06:29:00,622 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:00,624 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 708 [2022-11-16 06:29:00,629 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 06:29:10,999 WARN L233 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 06:29:22,414 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 06:29:23,025 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 644 treesize of output 618 [2022-11-16 06:29:23,064 INFO L321 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2022-11-16 06:29:23,064 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 5690 treesize of output 4689 [2022-11-16 06:29:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:29:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 64 states and 143 transitions. [2022-11-16 06:29:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 143 transitions. [2022-11-16 06:29:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:29:28,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:28,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:28,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-16 06:29:28,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:29:29,621 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 0 case distinctions, treesize of input 470 treesize of output 453 [2022-11-16 06:29:30,529 INFO L321 Elim1Store]: treesize reduction 2337, result has 3.9 percent of original size [2022-11-16 06:29:30,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 684 treesize of output 1544 [2022-11-16 06:29:30,693 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:30,696 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 959 [2022-11-16 06:29:30,863 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:30,865 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 890 [2022-11-16 06:29:30,878 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:29:30,880 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1883 [2022-11-16 06:29:30,899 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 06:29:55,663 WARN L233 SmtUtils]: Spent 23.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 06:30:13,056 WARN L233 SmtUtils]: Spent 17.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 06:30:13,140 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 644 treesize of output 618 [2022-11-16 06:30:13,186 INFO L321 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2022-11-16 06:30:13,187 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 3614 treesize of output 2973 [2022-11-16 06:30:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:30:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 64 states and 143 transitions. [2022-11-16 06:30:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 143 transitions. [2022-11-16 06:30:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:30:14,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:14,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 06:30:14,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:14,387 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 0 case distinctions, treesize of input 37 treesize of output 32 [2022-11-16 06:30:14,391 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 8 treesize of output 7 [2022-11-16 06:30:14,402 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 8 treesize of output 7 [2022-11-16 06:30:15,125 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 0 case distinctions, treesize of input 477 treesize of output 458 [2022-11-16 06:30:16,979 INFO L321 Elim1Store]: treesize reduction 2982, result has 3.2 percent of original size [2022-11-16 06:30:16,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 689 treesize of output 1550 [2022-11-16 06:30:17,175 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:17,177 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1165 [2022-11-16 06:30:17,295 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:17,297 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 977 [2022-11-16 06:30:17,310 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:17,312 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1487 [2022-11-16 06:30:17,332 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 06:30:18,531 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 644 treesize of output 618 [2022-11-16 06:30:18,606 INFO L321 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2022-11-16 06:30:18,607 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 4394 treesize of output 3593 [2022-11-16 06:30:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:30:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 153 transitions. [2022-11-16 06:30:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 153 transitions. [2022-11-16 06:30:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:30:20,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:21,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 06:30:21,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:21,712 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 0 case distinctions, treesize of input 470 treesize of output 453 [2022-11-16 06:30:22,541 INFO L321 Elim1Store]: treesize reduction 2335, result has 4.0 percent of original size [2022-11-16 06:30:22,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 684 treesize of output 1546 [2022-11-16 06:30:22,637 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:22,639 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1291 [2022-11-16 06:30:22,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:30:22,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 06:30:22,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:30:22,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 397 treesize of output 364 [2022-11-16 06:30:22,960 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:30:22,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1225 [2022-11-16 06:30:22,964 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 06:30:23,990 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 644 treesize of output 618 [2022-11-16 06:30:24,027 INFO L321 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2022-11-16 06:30:24,028 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 3726 treesize of output 3045 [2022-11-16 06:30:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:30:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 153 transitions. [2022-11-16 06:30:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 153 transitions. [2022-11-16 06:30:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:30:24,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:24,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 06:30:24,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:30:24,815 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 0 case distinctions, treesize of input 37 treesize of output 32 [2022-11-16 06:30:24,819 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 06:30:24,825 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 8 treesize of output 7 [2022-11-16 06:30:25,509 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 0 case distinctions, treesize of input 550 treesize of output 527 [2022-11-16 06:31:04,841 WARN L233 SmtUtils]: Spent 39.31s on a formula simplification. DAG size of input: 291 DAG size of output: 100 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 06:31:04,842 INFO L321 Elim1Store]: treesize reduction 3621, result has 11.4 percent of original size [2022-11-16 06:31:04,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 758 treesize of output 1958 [2022-11-16 06:31:16,680 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:16,681 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1150 [2022-11-16 06:31:17,781 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:17,782 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1150 [2022-11-16 06:31:20,685 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:20,688 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1240 [2022-11-16 06:31:25,903 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:25,907 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1696 [2022-11-16 06:31:26,218 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:26,220 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1809 [2022-11-16 06:31:26,877 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:26,880 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1920 [2022-11-16 06:31:29,560 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:29,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1804 [2022-11-16 06:31:30,595 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:31:30,597 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1691 [2022-11-16 06:37:35,185 WARN L233 SmtUtils]: Spent 6.05m on a formula simplification. DAG size of input: 734 DAG size of output: 228 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 06:37:35,187 INFO L321 Elim1Store]: treesize reduction 20344, result has 10.6 percent of original size [2022-11-16 06:37:35,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 11 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 11786689 treesize of output 7281848 [2022-11-16 06:38:04,420 WARN L233 SmtUtils]: Spent 29.22s on a formula simplification. DAG size of input: 3520 DAG size of output: 3379 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 06:41:37,381 WARN L233 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 19 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)