./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8915194b3978f524e3b82313f6c905aed9b5c215c3d66b411e7857ee0b93981 --- 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-4e7fbc6 [2022-11-23 06:40:16,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:40:16,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:40:16,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:40:16,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:40:16,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:40:16,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:40:16,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:40:16,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:40:16,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:40:16,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:40:16,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:40:16,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:40:16,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:40:16,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:40:16,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:40:16,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:40:16,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:40:16,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:40:16,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:40:16,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:40:16,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:40:16,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:40:16,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:40:16,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:40:16,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:40:16,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:40:16,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:40:16,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:40:16,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:40:16,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:40:16,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:40:16,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:40:16,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:40:16,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:40:16,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:40:16,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:40:16,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:40:16,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:40:16,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:40:16,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:40:16,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-23 06:40:16,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:40:16,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:40:16,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:40:16,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:40:16,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:40:16,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:40:16,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:40:16,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:40:16,182 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:40:16,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:40:16,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:40:16,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:40:16,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:40:16,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 06:40:16,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:40:16,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 06:40:16,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:40:16,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:40:16,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:40:16,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:40:16,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:40:16,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:40:16,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 06:40:16,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:40:16,186 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-23 06:40:16,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:40:16,187 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:40:16,187 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:40:16,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 06:40:16,187 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:40:16,188 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:40:16,188 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_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8915194b3978f524e3b82313f6c905aed9b5c215c3d66b411e7857ee0b93981 [2022-11-23 06:40:16,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:40:16,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:40:16,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:40:16,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:40:16,505 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:40:16,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2022-11-23 06:40:19,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:40:19,756 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:40:19,757 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2022-11-23 06:40:19,763 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/data/5267f1b82/7ddc8cea7c744bc8b9bf9ec88e7d3be5/FLAG77fbf5d7d [2022-11-23 06:40:19,778 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/data/5267f1b82/7ddc8cea7c744bc8b9bf9ec88e7d3be5 [2022-11-23 06:40:19,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:40:19,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:40:19,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:40:19,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:40:19,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:40:19,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:40:19" (1/1) ... [2022-11-23 06:40:19,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ee90ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:19, skipping insertion in model container [2022-11-23 06:40:19,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:40:19" (1/1) ... [2022-11-23 06:40:19,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:40:19,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:40:19,989 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_291b1395-9ba1-42ad-9de0-063603aabb45/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2650,2663] [2022-11-23 06:40:19,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:40:20,010 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:40:20,030 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_291b1395-9ba1-42ad-9de0-063603aabb45/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2650,2663] [2022-11-23 06:40:20,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:40:20,044 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:40:20,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20 WrapperNode [2022-11-23 06:40:20,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:40:20,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:40:20,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:40:20,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:40:20,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,080 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 142 [2022-11-23 06:40:20,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:40:20,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:40:20,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:40:20,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:40:20,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:40:20,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:40:20,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:40:20,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:40:20,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (1/1) ... [2022-11-23 06:40:20,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:40:20,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:40:20,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:40:20,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:40:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:40:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 06:40:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 06:40:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 06:40:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 06:40:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 06:40:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:40:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:40:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:40:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:40:20,211 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:40:20,404 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:40:20,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:40:20,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:40:20,887 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:40:20,887 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 06:40:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:20 BoogieIcfgContainer [2022-11-23 06:40:20,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:40:20,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:40:20,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:40:20,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:40:20,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:40:19" (1/3) ... [2022-11-23 06:40:20,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce0f865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:40:20, skipping insertion in model container [2022-11-23 06:40:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:40:20" (2/3) ... [2022-11-23 06:40:20,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce0f865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:40:20, skipping insertion in model container [2022-11-23 06:40:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:20" (3/3) ... [2022-11-23 06:40:20,898 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2022-11-23 06:40:20,907 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 06:40:20,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:40:20,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 06:40:20,918 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:40:21,015 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 06:40:21,074 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:40:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:40:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:40:21,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:40:21,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:40:21,126 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:40:21,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-23 06:40:21,164 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=PARTIAL_ORDER_FA, 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;@50c20073, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:40:21,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 06:40:21,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:40:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:40:21,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1994727641, now seen corresponding path program 1 times [2022-11-23 06:40:21,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:40:21,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641598765] [2022-11-23 06:40:21,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:21,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:40:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:21,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:40:21,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641598765] [2022-11-23 06:40:21,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641598765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:40:21,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:40:21,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 06:40:21,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795767410] [2022-11-23 06:40:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:40:21,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 06:40:21,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:40:21,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 06:40:21,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 06:40:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:21,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:40:21,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2022-11-23 06:40:21,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:21,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:21,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 06:40:21,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:40:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:40:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash -161982011, now seen corresponding path program 1 times [2022-11-23 06:40:21,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:40:21,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566265004] [2022-11-23 06:40:21,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:21,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:40:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:22,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:40:22,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566265004] [2022-11-23 06:40:22,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566265004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:40:22,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:40:22,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 06:40:22,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399460806] [2022-11-23 06:40:22,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:40:22,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 06:40:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:40:22,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 06:40:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 06:40:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:40:22,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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) [2022-11-23 06:40:22,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:22,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 06:40:22,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:40:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:40:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1567153078, now seen corresponding path program 1 times [2022-11-23 06:40:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:40:22,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563621546] [2022-11-23 06:40:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:40:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:22,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:40:22,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563621546] [2022-11-23 06:40:22,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563621546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:40:22,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:40:22,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 06:40:22,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492774026] [2022-11-23 06:40:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:40:22,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 06:40:22,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:40:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 06:40:22,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 06:40:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:40:22,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2022-11-23 06:40:22,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:22,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:40:23,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 06:40:23,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:40:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:40:23,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2004798170, now seen corresponding path program 1 times [2022-11-23 06:40:23,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:40:23,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328490425] [2022-11-23 06:40:23,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:23,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:40:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:23,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:40:23,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328490425] [2022-11-23 06:40:23,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328490425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:40:23,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:40:23,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 06:40:23,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383869580] [2022-11-23 06:40:23,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:40:23,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 06:40:23,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:40:23,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 06:40:23,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 06:40:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:40:23,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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) [2022-11-23 06:40:23,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:23,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:40:23,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:40:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:23,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 06:40:23,708 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:40:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:40:23,710 INFO L85 PathProgramCache]: Analyzing trace with hash 553392231, now seen corresponding path program 1 times [2022-11-23 06:40:23,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:40:23,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759307271] [2022-11-23 06:40:23,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:23,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:40:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:40:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:40:24,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759307271] [2022-11-23 06:40:24,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759307271] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:40:24,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989041061] [2022-11-23 06:40:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:40:24,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:40:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:40:24,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:40:24,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 06:40:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:40:24,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-23 06:40:24,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:40:24,458 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 [2022-11-23 06:40:24,509 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 06:40:24,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 18 [2022-11-23 06:40:25,351 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 06:40:25,352 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 15 treesize of output 15 [2022-11-23 06:40:25,610 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 15 treesize of output 11 [2022-11-23 06:40:26,060 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 6 treesize of output 5 [2022-11-23 06:40:26,156 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 6 treesize of output 5 [2022-11-23 06:40:26,388 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 7 [2022-11-23 06:40:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:26,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:40:27,203 WARN L837 $PredicateComparison]: unable to prove that (or (<= c_~n~0 c_~front~0) (let ((.cse2 (+ c_~queue~0.offset (* c_~front~0 4))) (.cse1 (+ c_~queue~0.offset (* c_~back~0 4)))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (< 1 (+ c_~sum~0 (select .cse3 .cse2)))) (not (= (select .cse3 .cse1) 1))))))) (< c_~front~0 0)) is different from false [2022-11-23 06:40:28,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:40:28,159 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 63 treesize of output 51 [2022-11-23 06:40:28,172 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:40:28,172 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 153 treesize of output 149 [2022-11-23 06:40:28,187 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:40:28,188 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 137 treesize of output 125 [2022-11-23 06:40:28,207 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:40:28,208 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 113 treesize of output 113 [2022-11-23 06:40:28,461 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:40:28,461 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 63 treesize of output 51 [2022-11-23 06:40:28,474 INFO L321 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-11-23 06:40:28,475 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 325 treesize of output 297 [2022-11-23 06:40:28,493 INFO L321 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-11-23 06:40:28,494 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 293 treesize of output 273 [2022-11-23 06:40:28,515 INFO L321 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-11-23 06:40:28,516 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 225 [2022-11-23 06:40:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:40:32,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989041061] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:40:32,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:40:32,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 26] total 52 [2022-11-23 06:40:32,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229133002] [2022-11-23 06:40:32,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:40:32,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-11-23 06:40:32,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:40:32,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-11-23 06:40:32,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=618, Invalid=1889, Unknown=47, NotChecked=98, Total=2652 [2022-11-23 06:40:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:32,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:40:32,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.25) internal successors, (273), 52 states have internal predecessors, (273), 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) [2022-11-23 06:40:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:40:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:40:32,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:40:32,300 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (* c_~front~0 4)) (.cse4 (* c_~back~0 4))) (let ((.cse8 (and (<= c_~sum~0 0) (<= 0 (+ c_~sum~0 1)) (= .cse5 .cse4))) (.cse10 (+ c_~queue~0.offset .cse5)) (.cse6 (<= c_~n~0 c_~front~0)) (.cse7 (< c_~front~0 0))) (and (or (let ((.cse2 (+ .cse5 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse1 (+ .cse4 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (< 1 (+ c_~sum~0 (select .cse3 .cse2)))) (not (= (select .cse3 .cse1) 1))))))) .cse6 .cse7) (or .cse8 .cse6 (< 1 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6|) 0)) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6| |c_#StackHeapBarrier|)))) .cse7) (or .cse8 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 .cse7) (or .cse8 (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 .cse7 (not (< 0 |c_ULTIMATE.start_create_fresh_int_array_~size#1|))) (or .cse6 (let ((.cse11 (+ c_~queue~0.offset .cse4))) (and (forall ((v_ArrVal_70 (Array Int Int))) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (< 1 (+ c_~sum~0 (select .cse9 .cse10)))) (not (= (select .cse9 .cse11) 1))))) (forall ((v_ArrVal_70 (Array Int Int))) (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (= (select .cse12 .cse11) 1)) (not (< (+ c_~sum~0 (select .cse12 .cse10)) 0))))))) .cse7) (or .cse6 (let ((.cse15 (+ .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse14 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse13 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (< (+ c_~sum~0 (select .cse13 .cse14)) 0)) (not (= (select .cse13 .cse15) 1))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse16 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse16 .cse15) 1)) (not (< 1 (+ c_~sum~0 (select .cse16 .cse14))))))))) .cse7) (= c_~sum~0 0) (or .cse6 .cse7 (let ((.cse17 (+ c_~sum~0 (select (select |c_#memory_int| c_~queue~0.base) .cse10)))) (and (not (< .cse17 0)) (not (< 1 .cse17))))) (or (let ((.cse19 (+ .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse20 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse18 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse18 .cse19) 1)) (not (< (+ c_~sum~0 (select .cse18 .cse20)) 0))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse21 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse21 .cse19) 1)) (not (< 1 (+ c_~sum~0 (select .cse21 .cse20))))))))) .cse6 .cse7)))) is different from false [2022-11-23 06:40:43,126 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 77 DAG size of output: 75 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:40:49,428 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 79 DAG size of output: 77 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:41:00,181 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 51 DAG size of output: 49 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:41:02,435 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (* c_~front~0 4)) (.cse4 (* c_~back~0 4))) (let ((.cse8 (and (<= c_~sum~0 0) (<= 0 (+ c_~sum~0 1)) (= .cse5 .cse4))) (.cse9 (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6|) 0)) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_6| |c_#StackHeapBarrier|))))) (.cse11 (+ c_~queue~0.offset .cse5)) (.cse6 (<= c_~n~0 c_~front~0)) (.cse7 (< c_~front~0 0))) (and (<= 1 c_~sum~0) (or (let ((.cse2 (+ .cse5 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse1 (+ .cse4 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (select .cse0 .cse1) 1)) (not (< (+ c_~sum~0 (select .cse0 .cse2)) 0))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse3 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (< 1 (+ c_~sum~0 (select .cse3 .cse2)))) (not (= (select .cse3 .cse1) 1))))))) .cse6 .cse7) (or .cse8 .cse6 (< 1 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse9 .cse7) (or .cse8 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 .cse7) (or .cse8 (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse6 .cse7 (not (< 0 |c_ULTIMATE.start_create_fresh_int_array_~size#1|))) (<= c_~sum~0 1) (or .cse8 (< 0 c_~front~0) .cse9 .cse7) (or .cse6 (let ((.cse12 (+ c_~queue~0.offset .cse4))) (and (forall ((v_ArrVal_70 (Array Int Int))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (< 1 (+ c_~sum~0 (select .cse10 .cse11)))) (not (= (select .cse10 .cse12) 1))))) (forall ((v_ArrVal_70 (Array Int Int))) (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) c_~queue~0.base))) (or (not (= (select .cse13 .cse12) 1)) (not (< (+ c_~sum~0 (select .cse13 .cse11)) 0))))))) .cse7) (or .cse6 (let ((.cse16 (+ .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse15 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse14 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (< (+ c_~sum~0 (select .cse14 .cse15)) 0)) (not (= (select .cse14 .cse16) 1))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse17 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse17 .cse16) 1)) (not (< 1 (+ c_~sum~0 (select .cse17 .cse15))))))))) .cse7) (or .cse6 .cse7 (let ((.cse18 (+ c_~sum~0 (select (select |c_#memory_int| c_~queue~0.base) .cse11)))) (and (not (< .cse18 0)) (not (< 1 .cse18))))) (or (let ((.cse20 (+ .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse21 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse19 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse19 .cse20) 1)) (not (< (+ c_~sum~0 (select .cse19 .cse21)) 0))))) (forall ((v_ArrVal_69 (Array Int Int)) (v_ArrVal_70 (Array Int Int))) (let ((.cse22 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_69) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_70) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (select .cse22 .cse20) 1)) (not (< 1 (+ c_~sum~0 (select .cse22 .cse21))))))))) .cse6 .cse7)))) is different from false [2022-11-23 06:41:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:02,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 06:41:03,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:03,134 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:03,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:03,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1653473748, now seen corresponding path program 2 times [2022-11-23 06:41:03,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:03,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824814571] [2022-11-23 06:41:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:41:03,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:03,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824814571] [2022-11-23 06:41:03,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824814571] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:41:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103184285] [2022-11-23 06:41:03,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:41:03,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:03,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:41:03,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:41:03,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 06:41:03,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 06:41:03,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:41:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 06:41:03,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:41:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 06:41:03,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 06:41:03,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103184285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:41:03,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 06:41:03,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2022-11-23 06:41:03,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176375609] [2022-11-23 06:41:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:41:03,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 06:41:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:03,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 06:41:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 06:41:03,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:03,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:03,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-11-23 06:41:03,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:03,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:03,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:03,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:03,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:03,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 06:41:04,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 06:41:04,058 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:04,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:04,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1885753272, now seen corresponding path program 3 times [2022-11-23 06:41:04,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:04,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937959414] [2022-11-23 06:41:04,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:04,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 06:41:04,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:04,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937959414] [2022-11-23 06:41:04,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937959414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 06:41:04,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 06:41:04,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 06:41:04,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130744284] [2022-11-23 06:41:04,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 06:41:04,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 06:41:04,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:04,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 06:41:04,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 06:41:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:04,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:04,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 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) [2022-11-23 06:41:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:04,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:04,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:04,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 06:41:04,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:04,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:04,504 INFO L85 PathProgramCache]: Analyzing trace with hash -707995544, now seen corresponding path program 1 times [2022-11-23 06:41:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:04,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134426973] [2022-11-23 06:41:04,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:04,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:05,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:05,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134426973] [2022-11-23 06:41:05,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134426973] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:41:05,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311401928] [2022-11-23 06:41:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:05,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:05,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:41:05,039 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:41:05,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 06:41:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:05,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-23 06:41:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:41:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:05,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:41:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:06,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311401928] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:41:06,622 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:41:06,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 30 [2022-11-23 06:41:06,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739502442] [2022-11-23 06:41:06,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:41:06,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-23 06:41:06,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:06,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 06:41:06,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2022-11-23 06:41:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:06,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:06,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.166666666666666) internal successors, (275), 30 states have internal predecessors, (275), 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) [2022-11-23 06:41:06,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:06,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:06,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-11-23 06:41:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:08,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:08,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 06:41:09,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:09,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:09,007 INFO L85 PathProgramCache]: Analyzing trace with hash -368953401, now seen corresponding path program 2 times [2022-11-23 06:41:09,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:09,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501531372] [2022-11-23 06:41:09,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:09,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 06:41:09,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:09,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501531372] [2022-11-23 06:41:09,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501531372] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:41:09,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122066605] [2022-11-23 06:41:09,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:41:09,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:09,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:41:09,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:41:09,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 06:41:09,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 06:41:09,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:41:09,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-23 06:41:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:41:11,095 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 15 treesize of output 11 [2022-11-23 06:41:11,571 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 6 treesize of output 5 [2022-11-23 06:41:11,709 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 6 treesize of output 5 [2022-11-23 06:41:12,443 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:41:12,443 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 14 [2022-11-23 06:41:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:12,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:41:15,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:41:15,595 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 124 treesize of output 88 [2022-11-23 06:41:15,653 INFO L321 Elim1Store]: treesize reduction 14, result has 73.6 percent of original size [2022-11-23 06:41:15,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 571 treesize of output 541 [2022-11-23 06:41:15,702 INFO L321 Elim1Store]: treesize reduction 14, result has 73.6 percent of original size [2022-11-23 06:41:15,702 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 503 treesize of output 437 [2022-11-23 06:41:15,755 INFO L321 Elim1Store]: treesize reduction 14, result has 73.6 percent of original size [2022-11-23 06:41:15,756 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 399 treesize of output 385 [2022-11-23 06:41:17,069 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:41:17,069 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 124 treesize of output 88 [2022-11-23 06:41:17,104 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-23 06:41:17,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 271 treesize of output 245 [2022-11-23 06:41:17,136 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-23 06:41:17,136 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 237 treesize of output 193 [2022-11-23 06:41:17,167 INFO L321 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2022-11-23 06:41:17,168 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 185 treesize of output 167 [2022-11-23 06:41:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:18,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122066605] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:41:18,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:41:18,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 33, 29] total 63 [2022-11-23 06:41:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272344931] [2022-11-23 06:41:18,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:41:18,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-11-23 06:41:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:18,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-11-23 06:41:18,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=821, Invalid=3033, Unknown=52, NotChecked=0, Total=3906 [2022-11-23 06:41:18,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:18,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:18,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.222222222222222) internal successors, (329), 63 states have internal predecessors, (329), 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) [2022-11-23 06:41:18,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:18,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:18,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:34,869 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse23 (* c_~front~0 4))) (let ((.cse5 (select |c_#memory_int| c_~queue~0.base)) (.cse12 (+ c_~queue~0.offset .cse23)) (.cse24 (* c_~back~0 4))) (let ((.cse34 (+ c_~back~0 1)) (.cse11 (+ c_~queue~0.offset .cse24)) (.cse9 (select .cse5 .cse12)) (.cse13 (+ c_~queue~0.offset .cse23 4))) (let ((.cse0 (let ((.cse39 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse40 (+ .cse23 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse37 (+ .cse24 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse38 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse36 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse36 .cse37) 1) 0)) (not (= (select .cse36 .cse38) 1)) (not (< (+ c_~sum~0 (select .cse36 .cse39) (select .cse36 .cse40)) 0))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse41 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (< 1 (+ c_~sum~0 (select .cse41 .cse39) (select .cse41 .cse40)))) (not (= (+ (select .cse41 .cse37) 1) 0)) (not (= (select .cse41 .cse38) 1)))))))) (.cse7 (let ((.cse35 (+ c_~sum~0 .cse9 (select .cse5 .cse13)))) (and (not (< 1 .cse35)) (not (< .cse35 0))))) (.cse8 (select .cse5 .cse11)) (.cse4 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse6 (+ c_~queue~0.offset .cse24 4)) (.cse25 (select .cse5 (+ c_~queue~0.offset .cse23 (- 4)))) (.cse16 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse15 (and (<= 0 c_~sum~0) (<= c_~sum~0 1) (= .cse23 .cse24))) (.cse1 (<= .cse34 c_~front~0)) (.cse2 (<= c_~n~0 .cse34)) (.cse3 (< c_~front~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= (+ (select .cse5 .cse6) 1) 0)) .cse7 .cse2 .cse3 (not (= .cse8 1))) (= (+ .cse9 1) 0) (or .cse1 (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse10 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse10 .cse6) 1) 0)) (not (= (select .cse10 .cse11) 1)) (not (< (+ c_~sum~0 (select .cse10 .cse12) (select .cse10 .cse13)) 0))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse14 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse14 .cse6) 1) 0)) (not (= (select .cse14 .cse11) 1)) (not (< 1 (+ c_~sum~0 (select .cse14 .cse12) (select .cse14 .cse13)))))))) .cse2 .cse3) (or (< 2 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse15 .cse1 .cse2 .cse3) (or .cse16 .cse15 .cse1 .cse2 .cse3) (or .cse15 .cse1 .cse2 (< 2 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse3) (or (<= c_~n~0 c_~back~0) (<= c_~back~0 c_~front~0) .cse7 (not (= (+ .cse8 1) 0)) .cse3) (or .cse15 .cse1 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not .cse4) .cse2 .cse3) (or .cse1 .cse2 (let ((.cse18 (+ .cse24 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse21 (+ .cse24 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse19 (+ .cse23 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse20 (+ .cse23 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse17 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse17 .cse18) 1) 0)) (not (< (+ c_~sum~0 (select .cse17 .cse19) (select .cse17 .cse20)) 0)) (not (= (select .cse17 .cse21) 1))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse22 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse22 .cse18) 1) 0)) (not (= (select .cse22 .cse21) 1)) (not (< 1 (+ c_~sum~0 (select .cse22 .cse19) (select .cse22 .cse20))))))))) .cse3) (= c_~sum~0 .cse25) (or (and (forall ((v_ArrVal_162 (Array Int Int))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse26 .cse6) 1) 0)) (not (< (+ c_~sum~0 (select .cse26 .cse12) (select .cse26 .cse13)) 0)) (not (= (select .cse26 .cse11) 1))))) (forall ((v_ArrVal_162 (Array Int Int))) (let ((.cse27 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (< 1 (+ c_~sum~0 (select .cse27 .cse12) (select .cse27 .cse13)))) (not (= (+ (select .cse27 .cse6) 1) 0)) (not (= (select .cse27 .cse11) 1)))))) .cse1 .cse2 .cse3) (= .cse25 1) (or .cse1 .cse2 (let ((.cse29 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse30 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse31 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse32 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse28 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse28 .cse29) 1)) (not (= (+ (select .cse28 .cse30) 1) 0)) (not (< 1 (+ c_~sum~0 (select .cse28 .cse31) (select .cse28 .cse32))))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse33 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse33 .cse29) 1)) (not (= (+ (select .cse33 .cse30) 1) 0)) (not (< (+ c_~sum~0 (select .cse33 .cse31) (select .cse33 .cse32)) 0))))))) .cse3) (<= c_~front~0 1) (or (not .cse16) .cse15 .cse1 .cse2 .cse3 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (<= 1 c_~front~0)))))) is different from false [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:41:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:36,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:36,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-23 06:41:36,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 06:41:36,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:36,594 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:36,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:36,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1514497960, now seen corresponding path program 3 times [2022-11-23 06:41:36,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:36,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979773409] [2022-11-23 06:41:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:36,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:37,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:37,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979773409] [2022-11-23 06:41:37,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979773409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:41:37,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468394823] [2022-11-23 06:41:37,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 06:41:37,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:41:37,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:41:37,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 06:41:37,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 06:41:37,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:41:37,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-23 06:41:37,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:41:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:38,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:41:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:39,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468394823] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:41:39,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:41:39,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 15] total 40 [2022-11-23 06:41:39,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084617493] [2022-11-23 06:41:39,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:41:39,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-23 06:41:39,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-23 06:41:39,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1302, Unknown=0, NotChecked=0, Total=1560 [2022-11-23 06:41:39,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:39,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:39,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 8.125) internal successors, (325), 40 states have internal predecessors, (325), 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) [2022-11-23 06:41:39,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:39,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-23 06:41:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:42,785 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse23 (* c_~front~0 4))) (let ((.cse5 (select |c_#memory_int| c_~queue~0.base)) (.cse11 (+ c_~queue~0.offset .cse23)) (.cse24 (* c_~back~0 4))) (let ((.cse34 (+ c_~back~0 1)) (.cse27 (<= c_~sum~0 1)) (.cse10 (+ c_~queue~0.offset .cse24)) (.cse16 (select .cse5 .cse11)) (.cse12 (+ c_~queue~0.offset .cse23 4))) (let ((.cse0 (let ((.cse39 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse40 (+ .cse23 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse37 (+ .cse24 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse38 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse36 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse36 .cse37) 1) 0)) (not (= (select .cse36 .cse38) 1)) (not (< (+ c_~sum~0 (select .cse36 .cse39) (select .cse36 .cse40)) 0))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse41 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (< 1 (+ c_~sum~0 (select .cse41 .cse39) (select .cse41 .cse40)))) (not (= (+ (select .cse41 .cse37) 1) 0)) (not (= (select .cse41 .cse38) 1)))))))) (.cse7 (let ((.cse35 (+ c_~sum~0 .cse16 (select .cse5 .cse12)))) (and (not (< 1 .cse35)) (not (< .cse35 0))))) (.cse8 (select .cse5 .cse10)) (.cse4 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse6 (+ c_~queue~0.offset .cse24 4)) (.cse15 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse14 (and (<= 0 c_~sum~0) .cse27 (= .cse23 .cse24))) (.cse1 (<= .cse34 c_~front~0)) (.cse2 (<= c_~n~0 .cse34)) (.cse3 (< c_~front~0 0))) (and (<= 1 c_~sum~0) (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= (+ (select .cse5 .cse6) 1) 0)) .cse7 .cse2 .cse3 (not (= .cse8 1))) (or .cse1 (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse9 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse9 .cse6) 1) 0)) (not (= (select .cse9 .cse10) 1)) (not (< (+ c_~sum~0 (select .cse9 .cse11) (select .cse9 .cse12)) 0))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse13 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse13 .cse6) 1) 0)) (not (= (select .cse13 .cse10) 1)) (not (< 1 (+ c_~sum~0 (select .cse13 .cse11) (select .cse13 .cse12)))))))) .cse2 .cse3) (or (< 2 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse14 .cse1 .cse2 .cse3) (or .cse15 .cse14 .cse1 .cse2 .cse3) (or .cse14 .cse1 .cse2 (< 2 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse3) (or (<= c_~n~0 c_~back~0) (<= c_~back~0 c_~front~0) .cse7 (not (= (+ .cse8 1) 0)) .cse3) (= .cse16 .cse8) (or .cse14 .cse1 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not .cse4) .cse2 .cse3) (or .cse1 .cse2 (let ((.cse18 (+ .cse24 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse21 (+ .cse24 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse19 (+ .cse23 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse20 (+ .cse23 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse17 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse17 .cse18) 1) 0)) (not (< (+ c_~sum~0 (select .cse17 .cse19) (select .cse17 .cse20)) 0)) (not (= (select .cse17 .cse21) 1))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse22 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse22 .cse18) 1) 0)) (not (= (select .cse22 .cse21) 1)) (not (< 1 (+ c_~sum~0 (select .cse22 .cse19) (select .cse22 .cse20))))))))) .cse3) (or (and (forall ((v_ArrVal_162 (Array Int Int))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (= (+ (select .cse25 .cse6) 1) 0)) (not (< (+ c_~sum~0 (select .cse25 .cse11) (select .cse25 .cse12)) 0)) (not (= (select .cse25 .cse10) 1))))) (forall ((v_ArrVal_162 (Array Int Int))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) c_~queue~0.base))) (or (not (< 1 (+ c_~sum~0 (select .cse26 .cse11) (select .cse26 .cse12)))) (not (= (+ (select .cse26 .cse6) 1) 0)) (not (= (select .cse26 .cse10) 1)))))) .cse1 .cse2 .cse3) .cse27 (or .cse1 .cse2 (let ((.cse29 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse30 (+ .cse24 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse31 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse32 (+ .cse23 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse28 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse28 .cse29) 1)) (not (= (+ (select .cse28 .cse30) 1) 0)) (not (< 1 (+ c_~sum~0 (select .cse28 .cse31) (select .cse28 .cse32))))))) (forall ((v_ArrVal_162 (Array Int Int)) (v_ArrVal_161 (Array Int Int))) (let ((.cse33 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_161) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_162) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse33 .cse29) 1)) (not (= (+ (select .cse33 .cse30) 1) 0)) (not (< (+ c_~sum~0 (select .cse33 .cse31) (select .cse33 .cse32)) 0))))))) .cse3) (or (not .cse15) .cse14 .cse1 .cse2 .cse3 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|))))))) is different from false [2022-11-23 06:41:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:41:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-23 06:41:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:41:43,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 06:41:43,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 06:41:43,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:41:43,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:41:43,797 INFO L85 PathProgramCache]: Analyzing trace with hash -183391831, now seen corresponding path program 4 times [2022-11-23 06:41:43,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:41:43,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084795217] [2022-11-23 06:41:43,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:41:43,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:41:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:41:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:41:47,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084795217] [2022-11-23 06:41:47,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084795217] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:41:47,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44212925] [2022-11-23 06:41:47,431 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 06:41:47,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:41:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:41:47,435 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:41:47,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 06:41:47,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 06:41:47,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:41:47,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-23 06:41:47,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:41:50,299 INFO L321 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2022-11-23 06:41:50,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 70 treesize of output 27 [2022-11-23 06:41:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:50,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:41:51,349 INFO L321 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2022-11-23 06:41:51,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 110 [2022-11-23 06:41:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:41:54,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44212925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:41:54,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:41:54,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 26, 25] total 69 [2022-11-23 06:41:54,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836639370] [2022-11-23 06:41:54,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:41:54,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-23 06:41:54,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:41:54,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-23 06:41:54,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=875, Invalid=3817, Unknown=0, NotChecked=0, Total=4692 [2022-11-23 06:41:54,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:54,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:41:54,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 5.550724637681159) internal successors, (383), 69 states have internal predecessors, (383), 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) [2022-11-23 06:41:54,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:41:54,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:54,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-11-23 06:41:54,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:41:54,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:42:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:42:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:42:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-23 06:42:10,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:11,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:11,191 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:42:11,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:11,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1883471276, now seen corresponding path program 5 times [2022-11-23 06:42:11,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:11,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093136783] [2022-11-23 06:42:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 06:42:12,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:12,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093136783] [2022-11-23 06:42:12,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093136783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:12,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659088335] [2022-11-23 06:42:12,005 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 06:42:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:12,007 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:12,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 06:42:12,153 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-23 06:42:12,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:42:12,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-23 06:42:12,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:13,199 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:13,200 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 48 treesize of output 14 [2022-11-23 06:42:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 06:42:13,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:13,693 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:13,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 77 treesize of output 78 [2022-11-23 06:42:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 06:42:14,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659088335] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:42:14,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:42:14,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 12] total 29 [2022-11-23 06:42:14,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486010649] [2022-11-23 06:42:14,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:42:14,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-23 06:42:14,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:42:14,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-23 06:42:14,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2022-11-23 06:42:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:14,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:42:14,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.793103448275861) internal successors, (313), 29 states have internal predecessors, (313), 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) [2022-11-23 06:42:14,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:14,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:14,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:42:14,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:42:14,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:42:14,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-23 06:42:14,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:42:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:42:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-23 06:42:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-23 06:42:16,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 06:42:17,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 06:42:17,080 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:42:17,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:42:17,081 INFO L85 PathProgramCache]: Analyzing trace with hash -568382009, now seen corresponding path program 6 times [2022-11-23 06:42:17,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:42:17,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425422182] [2022-11-23 06:42:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:42:17,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:42:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:42:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:22,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:42:22,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425422182] [2022-11-23 06:42:22,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425422182] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:42:22,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782411868] [2022-11-23 06:42:22,600 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-23 06:42:22,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:42:22,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:42:22,606 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:42:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 06:42:22,917 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-11-23 06:42:22,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:42:22,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-23 06:42:22,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:42:25,946 INFO L321 Elim1Store]: treesize reduction 86, result has 7.5 percent of original size [2022-11-23 06:42:25,947 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 24 [2022-11-23 06:42:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:42:26,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:42:28,720 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:42:28,722 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 142 treesize of output 388 [2022-11-23 06:42:29,415 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-23 06:42:31,508 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-23 06:42:32,235 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-23 06:42:33,750 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-23 06:42:37,383 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-23 06:43:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:43:08,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782411868] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:43:08,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:43:08,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 25, 25] total 77 [2022-11-23 06:43:08,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405833145] [2022-11-23 06:43:08,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:43:08,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-11-23 06:43:08,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:43:08,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-11-23 06:43:08,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=5390, Unknown=0, NotChecked=0, Total=5852 [2022-11-23 06:43:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:08,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:43:08,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.246753246753247) internal successors, (404), 77 states have internal predecessors, (404), 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) [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:43:08,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-11-23 06:43:08,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:43:30,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:43:32,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:43:45,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:43:48,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:43:51,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:43:52,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:43:56,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:43:57,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:43:59,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:00,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:01,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:04,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:06,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:07,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:08,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:10,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:11,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:13,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:14,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:16,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:17,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:18,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:19,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:20,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:21,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:23,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:25,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:26,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:27,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:28,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:30,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:46,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:47,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:48,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:50,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:44:51,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:44:54,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:45:15,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:45:17,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:45:29,132 WARN L233 SmtUtils]: Spent 9.34s on a formula simplification. DAG size of input: 90 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:45:31,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:45:38,536 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 140 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:45:52,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:45:54,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 06:46:08,850 WARN L233 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 117 DAG size of output: 85 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:46:20,750 WARN L233 SmtUtils]: Spent 7.29s on a formula simplification. DAG size of input: 120 DAG size of output: 88 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:46:32,315 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 103 DAG size of output: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:46:41,208 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 117 DAG size of output: 85 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:47:01,769 WARN L233 SmtUtils]: Spent 11.27s on a formula simplification. DAG size of input: 107 DAG size of output: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:47:03,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:47:16,002 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 120 DAG size of output: 96 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:47:28,501 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 124 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:47:40,747 WARN L233 SmtUtils]: Spent 11.55s on a formula simplification. DAG size of input: 138 DAG size of output: 115 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:47:48,649 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 111 DAG size of output: 81 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:48:07,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:48:11,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:48:37,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:48:45,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:48:47,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:48:49,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:49:00,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:49:08,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:49:35,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:49:37,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:50:05,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:50:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:50:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-11-23 06:50:18,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-23 06:50:18,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 06:50:18,619 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:50:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:50:18,619 INFO L85 PathProgramCache]: Analyzing trace with hash -104268492, now seen corresponding path program 7 times [2022-11-23 06:50:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:50:18,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487336006] [2022-11-23 06:50:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:50:18,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:50:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:50:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 73 proven. 264 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-23 06:50:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:50:19,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487336006] [2022-11-23 06:50:19,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487336006] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:50:19,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384060464] [2022-11-23 06:50:19,526 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 06:50:19,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:50:19,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:50:19,527 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:50:19,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 06:50:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:50:19,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-23 06:50:19,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:50:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 404 proven. 78 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 06:50:21,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:50:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 189 proven. 293 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 06:50:22,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384060464] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:50:22,542 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:50:22,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 23] total 55 [2022-11-23 06:50:22,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157630320] [2022-11-23 06:50:22,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:50:22,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-23 06:50:22,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:50:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-23 06:50:22,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=2440, Unknown=0, NotChecked=0, Total=2970 [2022-11-23 06:50:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:22,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:50:22,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.890909090909091) internal successors, (434), 55 states have internal predecessors, (434), 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) [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:50:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2022-11-23 06:50:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:40,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:50:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:50:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:50:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:50:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:50:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:50:40,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 06:50:40,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 06:50:40,452 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:50:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:50:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash 809027273, now seen corresponding path program 8 times [2022-11-23 06:50:40,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:50:40,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125408831] [2022-11-23 06:50:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:50:40,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:50:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:50:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-23 06:50:41,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:50:41,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125408831] [2022-11-23 06:50:41,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125408831] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:50:41,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288147326] [2022-11-23 06:50:41,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 06:50:41,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:50:41,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:50:41,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:50:41,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 06:50:41,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 06:50:41,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:50:41,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-23 06:50:41,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:50:41,931 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 [2022-11-23 06:50:41,972 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 06:50:41,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-23 06:50:42,721 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-23 06:50:42,722 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 16 treesize of output 18 [2022-11-23 06:50:43,998 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 15 treesize of output 11 [2022-11-23 06:50:44,558 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 6 treesize of output 5 [2022-11-23 06:50:44,682 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 6 treesize of output 5 [2022-11-23 06:50:46,745 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:50:46,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 24 [2022-11-23 06:50:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 13 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:50:46,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:50:52,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:50:52,317 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 244 treesize of output 160 [2022-11-23 06:50:52,564 INFO L321 Elim1Store]: treesize reduction 84, result has 61.3 percent of original size [2022-11-23 06:50:52,565 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 499 treesize of output 561 [2022-11-23 06:50:52,770 INFO L321 Elim1Store]: treesize reduction 84, result has 61.3 percent of original size [2022-11-23 06:50:52,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 429 treesize of output 453 [2022-11-23 06:50:52,980 INFO L321 Elim1Store]: treesize reduction 84, result has 61.3 percent of original size [2022-11-23 06:50:52,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 321 treesize of output 399 [2022-11-23 06:51:06,386 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:51:06,387 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 244 treesize of output 160 [2022-11-23 06:51:06,466 INFO L321 Elim1Store]: treesize reduction 200, result has 7.8 percent of original size [2022-11-23 06:51:06,466 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 499 treesize of output 445 [2022-11-23 06:51:06,543 INFO L321 Elim1Store]: treesize reduction 200, result has 7.8 percent of original size [2022-11-23 06:51:06,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 429 treesize of output 337 [2022-11-23 06:51:06,623 INFO L321 Elim1Store]: treesize reduction 200, result has 7.8 percent of original size [2022-11-23 06:51:06,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 321 treesize of output 283 [2022-11-23 06:51:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:51:10,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288147326] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:51:10,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:51:10,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 38, 36] total 77 [2022-11-23 06:51:10,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994617723] [2022-11-23 06:51:10,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:51:10,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-11-23 06:51:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:51:10,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-11-23 06:51:10,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1219, Invalid=4555, Unknown=78, NotChecked=0, Total=5852 [2022-11-23 06:51:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:10,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:51:10,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.571428571428571) internal successors, (429), 77 states have internal predecessors, (429), 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) [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:51:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:11,030 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse44 (* c_~front~0 4)) (.cse45 (* c_~back~0 4))) (let ((.cse23 (+ c_~queue~0.offset .cse45 8)) (.cse21 (+ c_~queue~0.offset .cse45 4)) (.cse28 (+ c_~queue~0.offset .cse45)) (.cse26 (+ c_~queue~0.offset .cse44 4)) (.cse25 (+ c_~queue~0.offset .cse44)) (.cse47 (select |c_#memory_int| c_~queue~0.base)) (.cse24 (+ c_~queue~0.offset .cse44 8))) (let ((.cse27 (+ c_~queue~0.offset .cse44 12)) (.cse74 (select .cse47 .cse24)) (.cse77 (+ 2 c_~front~0)) (.cse78 (+ c_~front~0 1)) (.cse50 (select .cse47 .cse25)) (.cse75 (select .cse47 .cse26)) (.cse71 (select .cse47 .cse28)) (.cse72 (select .cse47 .cse21)) (.cse48 (select .cse47 .cse23))) (let ((.cse3 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse4 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse12 (not (= (+ .cse48 1) 0))) (.cse13 (not (= .cse72 1))) (.cse8 (not (= (+ .cse71 1) 0))) (.cse6 (let ((.cse79 (+ c_~sum~0 .cse50 .cse75))) (and (not (< 1 .cse79)) (not (< .cse79 0))))) (.cse7 (< .cse78 0)) (.cse9 (<= c_~n~0 .cse78)) (.cse17 (< .cse77 0)) (.cse18 (<= c_~n~0 .cse77)) (.cse19 (let ((.cse76 (+ c_~sum~0 .cse74 .cse50 .cse75))) (and (not (< 1 .cse76)) (not (< .cse76 0))))) (.cse16 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse10 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse22 (+ c_~queue~0.offset .cse45 12)) (.cse14 (let ((.cse73 (+ c_~sum~0 .cse74 .cse50 .cse75 (select .cse47 .cse27)))) (and (not (< 1 .cse73)) (not (< .cse73 0))))) (.cse30 (not (= (+ .cse72 1) 0))) (.cse31 (not (= .cse71 1))) (.cse15 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse11 (let ((.cse62 (+ .cse45 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse64 (+ .cse44 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse65 (+ .cse44 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse66 (+ .cse44 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse67 (+ .cse44 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse63 (+ .cse45 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse68 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse69 (+ .cse45 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse61 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse61 .cse62) 1) 0)) (not (= (select .cse61 .cse63) 1)) (not (< 1 (+ (select .cse61 .cse64) c_~sum~0 (select .cse61 .cse65) (select .cse61 .cse66) (select .cse61 .cse67)))) (not (= (select .cse61 .cse68) 1)) (not (= (+ (select .cse61 .cse69) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse70 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse70 .cse62) 1) 0)) (not (< (+ (select .cse70 .cse64) c_~sum~0 (select .cse70 .cse65) (select .cse70 .cse66) (select .cse70 .cse67)) 0)) (not (= (select .cse70 .cse63) 1)) (not (= (select .cse70 .cse68) 1)) (not (= (+ (select .cse70 .cse69) 1) 0)))))))) (.cse0 (<= c_~n~0 (+ 3 c_~front~0))) (.cse1 (and (<= 0 c_~sum~0) (<= c_~sum~0 1) (= .cse44 .cse45))) (.cse2 (<= (+ c_~back~0 1) c_~front~0)) (.cse46 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse5 (< c_~front~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not .cse3) .cse0 .cse1 .cse2 .cse10 .cse5) (or .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse5 (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30| Int)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30|) 0)))) (or .cse4 .cse11 .cse0 .cse2 .cse5) (or .cse12 .cse13 .cse0 .cse14 (<= c_~back~0 c_~front~0) .cse8 .cse5) (or (not .cse15) .cse0 .cse1 .cse2 .cse5 .cse16) (or .cse12 .cse17 .cse18 .cse13 .cse19 .cse8) (or .cse0 (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse20 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse20 .cse21) 1))) (not (= (+ (select .cse20 .cse22) 1) 0)) (not (= (select .cse20 .cse23) 1)) (not (< (+ (select .cse20 .cse24) c_~sum~0 (select .cse20 .cse25) (select .cse20 .cse26) (select .cse20 .cse27)) 0)) (not (= (select .cse20 .cse28) 1))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse29 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse29 .cse21) 1))) (not (= (+ (select .cse29 .cse22) 1) 0)) (not (= (select .cse29 .cse23) 1)) (not (< 1 (+ (select .cse29 .cse24) c_~sum~0 (select .cse29 .cse25) (select .cse29 .cse26) (select .cse29 .cse27)))) (not (= (select .cse29 .cse28) 1)))))) .cse2 .cse5) (or .cse30 .cse6 .cse7 .cse31 .cse9) (or (not (< 3 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or .cse0 (and (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse32 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse32 .cse23) 1)) (not (= (+ (select .cse32 .cse22) 1) 0)) (not (= (+ (select .cse32 .cse21) 1) 0)) (not (< 1 (+ (select .cse32 .cse24) c_~sum~0 (select .cse32 .cse26) (select .cse32 .cse27) (select .cse32 .cse25)))) (not (= (select .cse32 .cse28) 1))))) (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse33 .cse23) 1)) (not (= (+ (select .cse33 .cse22) 1) 0)) (not (= (+ (select .cse33 .cse21) 1) 0)) (not (< (+ (select .cse33 .cse24) c_~sum~0 (select .cse33 .cse26) (select .cse33 .cse27) (select .cse33 .cse25)) 0)) (not (= (select .cse33 .cse28) 1)))))) .cse2 .cse5) (or (let ((.cse35 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse36 (+ .cse45 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse41 (+ .cse45 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse42 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse37 (+ .cse44 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse38 (+ .cse44 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse39 (+ .cse44 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse40 (+ .cse44 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse34 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse34 .cse35) 1)) (not (= (+ 1 (select .cse34 .cse36)) 0)) (not (< (+ c_~sum~0 (select .cse34 .cse37) (select .cse34 .cse38) (select .cse34 .cse39) (select .cse34 .cse40)) 0)) (not (= (select .cse34 .cse41) 1)) (not (= (+ (select .cse34 .cse42) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse43 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse43 .cse35) 1)) (not (= (+ 1 (select .cse43 .cse36)) 0)) (not (= (select .cse43 .cse41) 1)) (not (= (+ (select .cse43 .cse42) 1) 0)) (not (< 1 (+ c_~sum~0 (select .cse43 .cse37) (select .cse43 .cse38) (select .cse43 .cse39) (select .cse43 .cse40))))))))) .cse0 .cse2 .cse5) (or .cse17 .cse18 .cse19 .cse30 .cse31) (or .cse46 .cse0 .cse1 .cse2 (not .cse16) .cse5) (or .cse0 (not .cse10) .cse1 .cse2 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or (not (= (+ (select .cse47 .cse22) 1) 0)) .cse0 .cse14 .cse2 .cse30 (not (= .cse48 1)) .cse5 .cse31) (or .cse0 .cse15 .cse1 .cse2 .cse5) (= c_~sum~0 0) (or (<= c_~n~0 c_~front~0) .cse5 (let ((.cse49 (+ c_~sum~0 .cse50))) (and (not (< .cse49 0)) (not (< 1 .cse49))))) (or .cse11 .cse0 .cse2 .cse5) (or .cse0 .cse2 (let ((.cse52 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse53 (+ .cse45 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse55 (+ .cse44 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse56 (+ .cse44 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12)) (.cse57 (+ .cse44 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse58 (+ .cse44 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse54 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse59 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse51 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse51 .cse52) 1) 0)) (not (= (select .cse51 .cse53) 1)) (not (= (select .cse51 .cse54) 1)) (not (< (+ c_~sum~0 (select .cse51 .cse55) (select .cse51 .cse56) (select .cse51 .cse57) (select .cse51 .cse58)) 0)) (not (= (+ (select .cse51 .cse59) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse60 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse60 .cse52) 1) 0)) (not (= (select .cse60 .cse53) 1)) (not (< 1 (+ c_~sum~0 (select .cse60 .cse55) (select .cse60 .cse56) (select .cse60 .cse57) (select .cse60 .cse58)))) (not (= (select .cse60 .cse54) 1)) (not (= (+ (select .cse60 .cse59) 1) 0))))))) .cse5) (or .cse0 .cse1 .cse2 (< (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not .cse46) .cse5)))))) is different from false [2022-11-23 06:51:33,689 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 333 DAG size of output: 321 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 06:51:33,744 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse48 (* c_~front~0 4)) (.cse49 (* c_~back~0 4))) (let ((.cse26 (+ c_~queue~0.offset .cse49 8)) (.cse24 (+ c_~queue~0.offset .cse49 4)) (.cse31 (+ c_~queue~0.offset .cse49)) (.cse29 (+ c_~queue~0.offset .cse48 4)) (.cse28 (+ c_~queue~0.offset .cse48)) (.cse51 (select |c_#memory_int| c_~queue~0.base)) (.cse27 (+ c_~queue~0.offset .cse48 8))) (let ((.cse20 (select .cse51 .cse27)) (.cse30 (+ c_~queue~0.offset .cse48 12)) (.cse76 (+ c_~front~0 1)) (.cse21 (select .cse51 .cse28)) (.cse22 (select .cse51 .cse29)) (.cse73 (select .cse51 .cse31)) (.cse74 (select .cse51 .cse24)) (.cse52 (select .cse51 .cse26))) (let ((.cse3 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse4 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse16 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse13 (not (= (+ .cse52 1) 0))) (.cse14 (not (= .cse74 1))) (.cse8 (not (= (+ .cse73 1) 0))) (.cse6 (let ((.cse77 (+ c_~sum~0 .cse21 .cse22))) (and (not (< 1 .cse77)) (not (< .cse77 0))))) (.cse7 (< .cse76 0)) (.cse9 (<= c_~n~0 .cse76)) (.cse37 (+ c_~sum~0 .cse21)) (.cse17 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse10 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse25 (+ c_~queue~0.offset .cse49 12)) (.cse15 (let ((.cse75 (+ c_~sum~0 .cse20 .cse21 .cse22 (select .cse51 .cse30)))) (and (not (< 1 .cse75)) (not (< .cse75 0))))) (.cse33 (not (= (+ .cse74 1) 0))) (.cse34 (not (= .cse73 1))) (.cse11 (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30| Int)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30|) 0)))) (.cse12 (let ((.cse64 (+ .cse49 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse66 (+ .cse48 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse67 (+ .cse48 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse68 (+ .cse48 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse69 (+ .cse48 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse65 (+ .cse49 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse70 (+ .cse49 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse71 (+ .cse49 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse63 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse63 .cse64) 1) 0)) (not (= (select .cse63 .cse65) 1)) (not (< 1 (+ (select .cse63 .cse66) c_~sum~0 (select .cse63 .cse67) (select .cse63 .cse68) (select .cse63 .cse69)))) (not (= (select .cse63 .cse70) 1)) (not (= (+ (select .cse63 .cse71) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse72 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse72 .cse64) 1) 0)) (not (< (+ (select .cse72 .cse66) c_~sum~0 (select .cse72 .cse67) (select .cse72 .cse68) (select .cse72 .cse69)) 0)) (not (= (select .cse72 .cse65) 1)) (not (= (select .cse72 .cse70) 1)) (not (= (+ (select .cse72 .cse71) 1) 0)))))))) (.cse0 (<= c_~n~0 (+ 3 c_~front~0))) (.cse1 (and (<= 0 c_~sum~0) (<= c_~sum~0 1) (= .cse48 .cse49))) (.cse2 (<= (+ c_~back~0 1) c_~front~0)) (.cse50 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse5 (< c_~front~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not .cse3) .cse0 .cse1 .cse2 .cse10 .cse5) (or .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse5 .cse11) (or .cse4 .cse12 .cse0 .cse2 .cse5) (or .cse13 .cse14 .cse0 .cse15 (<= c_~back~0 c_~front~0) .cse8 .cse5) (not (< 1 c_~sum~0)) (or (not .cse16) .cse0 .cse1 .cse2 .cse5 .cse17) (or (not (< |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse0 .cse16 .cse1 .cse2 .cse5) (let ((.cse18 (+ 2 c_~front~0))) (or .cse13 (< .cse18 0) (<= c_~n~0 .cse18) .cse14 (let ((.cse19 (+ c_~sum~0 .cse20 .cse21 .cse22))) (and (not (< 1 .cse19)) (not (< .cse19 0)))) .cse8)) (or .cse0 (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse23 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse23 .cse24) 1))) (not (= (+ (select .cse23 .cse25) 1) 0)) (not (= (select .cse23 .cse26) 1)) (not (< (+ (select .cse23 .cse27) c_~sum~0 (select .cse23 .cse28) (select .cse23 .cse29) (select .cse23 .cse30)) 0)) (not (= (select .cse23 .cse31) 1))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse32 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse32 .cse24) 1))) (not (= (+ (select .cse32 .cse25) 1) 0)) (not (= (select .cse32 .cse26) 1)) (not (< 1 (+ (select .cse32 .cse27) c_~sum~0 (select .cse32 .cse28) (select .cse32 .cse29) (select .cse32 .cse30)))) (not (= (select .cse32 .cse31) 1)))))) .cse2 .cse5) (or .cse33 .cse6 .cse7 .cse34 .cse9) (or (not (< 3 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or .cse0 (and (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse35 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse35 .cse26) 1)) (not (= (+ (select .cse35 .cse25) 1) 0)) (not (= (+ (select .cse35 .cse24) 1) 0)) (not (< 1 (+ (select .cse35 .cse27) c_~sum~0 (select .cse35 .cse29) (select .cse35 .cse30) (select .cse35 .cse28)))) (not (= (select .cse35 .cse31) 1))))) (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse36 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse36 .cse26) 1)) (not (= (+ (select .cse36 .cse25) 1) 0)) (not (= (+ (select .cse36 .cse24) 1) 0)) (not (< (+ (select .cse36 .cse27) c_~sum~0 (select .cse36 .cse29) (select .cse36 .cse30) (select .cse36 .cse28)) 0)) (not (= (select .cse36 .cse31) 1)))))) .cse2 .cse5) (<= .cse37 0) (not (< c_~sum~0 0)) (<= 0 .cse37) (or (let ((.cse39 (+ .cse49 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse40 (+ .cse49 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse45 (+ .cse49 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse46 (+ .cse49 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse41 (+ .cse48 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse42 (+ .cse48 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse43 (+ .cse48 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse44 (+ .cse48 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse38 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse38 .cse39) 1)) (not (= (+ 1 (select .cse38 .cse40)) 0)) (not (< (+ c_~sum~0 (select .cse38 .cse41) (select .cse38 .cse42) (select .cse38 .cse43) (select .cse38 .cse44)) 0)) (not (= (select .cse38 .cse45) 1)) (not (= (+ (select .cse38 .cse46) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse47 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse47 .cse39) 1)) (not (= (+ 1 (select .cse47 .cse40)) 0)) (not (= (select .cse47 .cse45) 1)) (not (= (+ (select .cse47 .cse46) 1) 0)) (not (< 1 (+ c_~sum~0 (select .cse47 .cse41) (select .cse47 .cse42) (select .cse47 .cse43) (select .cse47 .cse44))))))))) .cse0 .cse2 .cse5) (or .cse50 .cse0 .cse1 .cse2 (not .cse17) .cse5) (or .cse0 (not .cse10) .cse1 .cse2 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or (not (= (+ (select .cse51 .cse25) 1) 0)) .cse0 .cse15 .cse2 .cse33 (not (= .cse52 1)) .cse5 .cse34) (or (< 0 c_~front~0) .cse1 .cse2 .cse5 .cse11) (or .cse12 .cse0 .cse2 .cse5) (or .cse0 .cse2 (let ((.cse54 (+ .cse49 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse55 (+ .cse49 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse57 (+ .cse48 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse58 (+ .cse48 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12)) (.cse59 (+ .cse48 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse60 (+ .cse48 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse56 (+ .cse49 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse61 (+ .cse49 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse53 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse53 .cse54) 1) 0)) (not (= (select .cse53 .cse55) 1)) (not (= (select .cse53 .cse56) 1)) (not (< (+ c_~sum~0 (select .cse53 .cse57) (select .cse53 .cse58) (select .cse53 .cse59) (select .cse53 .cse60)) 0)) (not (= (+ (select .cse53 .cse61) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse62 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse62 .cse54) 1) 0)) (not (= (select .cse62 .cse55) 1)) (not (< 1 (+ c_~sum~0 (select .cse62 .cse57) (select .cse62 .cse58) (select .cse62 .cse59) (select .cse62 .cse60)))) (not (= (select .cse62 .cse56) 1)) (not (= (+ (select .cse62 .cse61) 1) 0))))))) .cse5) (or .cse0 .cse1 .cse2 (< (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not .cse50) .cse5)))))) is different from false [2022-11-23 06:51:38,072 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse45 (* c_~front~0 4)) (.cse46 (* c_~back~0 4))) (let ((.cse24 (+ c_~queue~0.offset .cse46 8)) (.cse22 (+ c_~queue~0.offset .cse46 4)) (.cse29 (+ c_~queue~0.offset .cse46)) (.cse27 (+ c_~queue~0.offset .cse45 4)) (.cse26 (+ c_~queue~0.offset .cse45)) (.cse48 (select |c_#memory_int| c_~queue~0.base)) (.cse25 (+ c_~queue~0.offset .cse45 8))) (let ((.cse28 (+ c_~queue~0.offset .cse45 12)) (.cse75 (select .cse48 .cse25)) (.cse78 (+ 2 c_~front~0)) (.cse79 (+ c_~front~0 1)) (.cse51 (select .cse48 .cse26)) (.cse76 (select .cse48 .cse27)) (.cse72 (select .cse48 .cse29)) (.cse73 (select .cse48 .cse22)) (.cse49 (select .cse48 .cse24))) (let ((.cse3 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse4 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse13 (not (= (+ .cse49 1) 0))) (.cse14 (not (= .cse73 1))) (.cse8 (not (= (+ .cse72 1) 0))) (.cse6 (let ((.cse80 (+ c_~sum~0 .cse51 .cse76))) (and (not (< 1 .cse80)) (not (< .cse80 0))))) (.cse7 (< .cse79 0)) (.cse9 (<= c_~n~0 .cse79)) (.cse18 (< .cse78 0)) (.cse19 (<= c_~n~0 .cse78)) (.cse20 (let ((.cse77 (+ c_~sum~0 .cse75 .cse51 .cse76))) (and (not (< 1 .cse77)) (not (< .cse77 0))))) (.cse17 (< (+ 2 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse10 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse23 (+ c_~queue~0.offset .cse46 12)) (.cse15 (let ((.cse74 (+ c_~sum~0 .cse75 .cse51 .cse76 (select .cse48 .cse28)))) (and (not (< 1 .cse74)) (not (< .cse74 0))))) (.cse31 (not (= (+ .cse73 1) 0))) (.cse32 (not (= .cse72 1))) (.cse16 (< (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse11 (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30| Int)) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc18#1.base_30|) 0)))) (.cse12 (let ((.cse63 (+ .cse46 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse65 (+ .cse45 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse66 (+ .cse45 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse67 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse68 (+ .cse45 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse64 (+ .cse46 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse69 (+ .cse46 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse70 (+ .cse46 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse62 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse62 .cse63) 1) 0)) (not (= (select .cse62 .cse64) 1)) (not (< 1 (+ (select .cse62 .cse65) c_~sum~0 (select .cse62 .cse66) (select .cse62 .cse67) (select .cse62 .cse68)))) (not (= (select .cse62 .cse69) 1)) (not (= (+ (select .cse62 .cse70) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse71 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse71 .cse63) 1) 0)) (not (< (+ (select .cse71 .cse65) c_~sum~0 (select .cse71 .cse66) (select .cse71 .cse67) (select .cse71 .cse68)) 0)) (not (= (select .cse71 .cse64) 1)) (not (= (select .cse71 .cse69) 1)) (not (= (+ (select .cse71 .cse70) 1) 0)))))))) (.cse0 (<= c_~n~0 (+ 3 c_~front~0))) (.cse1 (and (<= 0 c_~sum~0) (<= c_~sum~0 1) (= .cse45 .cse46))) (.cse2 (<= (+ c_~back~0 1) c_~front~0)) (.cse47 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (.cse5 (< c_~front~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not .cse3) .cse0 .cse1 .cse2 .cse10 .cse5) (or .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse5 .cse11) (or .cse4 .cse12 .cse0 .cse2 .cse5) (or .cse13 .cse14 .cse0 .cse15 (<= c_~back~0 c_~front~0) .cse8 .cse5) (or (not .cse16) .cse0 .cse1 .cse2 .cse5 .cse17) (or .cse13 .cse18 .cse19 .cse14 .cse20 .cse8) (or .cse0 (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse21 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse21 .cse22) 1))) (not (= (+ (select .cse21 .cse23) 1) 0)) (not (= (select .cse21 .cse24) 1)) (not (< (+ (select .cse21 .cse25) c_~sum~0 (select .cse21 .cse26) (select .cse21 .cse27) (select .cse21 .cse28)) 0)) (not (= (select .cse21 .cse29) 1))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse30 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= 0 (+ (select .cse30 .cse22) 1))) (not (= (+ (select .cse30 .cse23) 1) 0)) (not (= (select .cse30 .cse24) 1)) (not (< 1 (+ (select .cse30 .cse25) c_~sum~0 (select .cse30 .cse26) (select .cse30 .cse27) (select .cse30 .cse28)))) (not (= (select .cse30 .cse29) 1)))))) .cse2 .cse5) (or .cse31 .cse6 .cse7 .cse32 .cse9) (or (not (< 3 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) .cse0 .cse1 .cse2 (< 4 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or .cse0 (and (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse33 .cse24) 1)) (not (= (+ (select .cse33 .cse23) 1) 0)) (not (= (+ (select .cse33 .cse22) 1) 0)) (not (< 1 (+ (select .cse33 .cse25) c_~sum~0 (select .cse33 .cse27) (select .cse33 .cse28) (select .cse33 .cse26)))) (not (= (select .cse33 .cse29) 1))))) (forall ((v_ArrVal_360 (Array Int Int))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) c_~queue~0.base))) (or (not (= (select .cse34 .cse24) 1)) (not (= (+ (select .cse34 .cse23) 1) 0)) (not (= (+ (select .cse34 .cse22) 1) 0)) (not (< (+ (select .cse34 .cse25) c_~sum~0 (select .cse34 .cse27) (select .cse34 .cse28) (select .cse34 .cse26)) 0)) (not (= (select .cse34 .cse29) 1)))))) .cse2 .cse5) (or (let ((.cse36 (+ .cse46 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse37 (+ .cse46 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse42 (+ .cse46 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse43 (+ .cse46 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse38 (+ .cse45 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse39 (+ .cse45 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse40 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse41 (+ .cse45 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse35 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse35 .cse36) 1)) (not (= (+ 1 (select .cse35 .cse37)) 0)) (not (< (+ c_~sum~0 (select .cse35 .cse38) (select .cse35 .cse39) (select .cse35 .cse40) (select .cse35 .cse41)) 0)) (not (= (select .cse35 .cse42) 1)) (not (= (+ (select .cse35 .cse43) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse44 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse44 .cse36) 1)) (not (= (+ 1 (select .cse44 .cse37)) 0)) (not (= (select .cse44 .cse42) 1)) (not (= (+ (select .cse44 .cse43) 1) 0)) (not (< 1 (+ c_~sum~0 (select .cse44 .cse38) (select .cse44 .cse39) (select .cse44 .cse40) (select .cse44 .cse41))))))))) .cse0 .cse2 .cse5) (or .cse18 .cse19 .cse20 .cse31 .cse32) (or .cse47 .cse0 .cse1 .cse2 (not .cse17) .cse5) (or .cse0 (not .cse10) .cse1 .cse2 (< (+ |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1| 4) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse5) (or (not (= (+ (select .cse48 .cse23) 1) 0)) .cse0 .cse15 .cse2 .cse31 (not (= .cse49 1)) .cse5 .cse32) (or .cse0 .cse16 .cse1 .cse2 .cse5) (or (< 0 c_~front~0) .cse1 .cse2 .cse5 .cse11) (= c_~sum~0 0) (or (<= c_~n~0 c_~front~0) .cse5 (let ((.cse50 (+ c_~sum~0 .cse51))) (and (not (< .cse50 0)) (not (< 1 .cse50))))) (or .cse12 .cse0 .cse2 .cse5) (or .cse0 .cse2 (let ((.cse53 (+ .cse46 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse54 (+ .cse46 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse56 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse57 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12)) (.cse58 (+ .cse45 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse59 (+ .cse45 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse55 (+ .cse46 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse60 (+ .cse46 |c_ULTIMATE.start_main_#t~ret11#1.offset| 12))) (and (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse52 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse52 .cse53) 1) 0)) (not (= (select .cse52 .cse54) 1)) (not (= (select .cse52 .cse55) 1)) (not (< (+ c_~sum~0 (select .cse52 .cse56) (select .cse52 .cse57) (select .cse52 .cse58) (select .cse52 .cse59)) 0)) (not (= (+ (select .cse52 .cse60) 1) 0))))) (forall ((v_ArrVal_359 (Array Int Int)) (v_ArrVal_360 (Array Int Int))) (let ((.cse61 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_359) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_360) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse61 .cse53) 1) 0)) (not (= (select .cse61 .cse54) 1)) (not (< 1 (+ c_~sum~0 (select .cse61 .cse56) (select .cse61 .cse57) (select .cse61 .cse58) (select .cse61 .cse59)))) (not (= (select .cse61 .cse55) 1)) (not (= (+ (select .cse61 .cse60) 1) 0))))))) .cse5) (or .cse0 .cse1 .cse2 (< (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (not .cse47) .cse5)))))) is different from false [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:51:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:51:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:51:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:51:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:51:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:51:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-11-23 06:51:41,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 06:51:41,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 06:51:41,549 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:51:41,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:51:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1066019566, now seen corresponding path program 9 times [2022-11-23 06:51:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:51:41,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73958210] [2022-11-23 06:51:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:51:41,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:51:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:51:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 109 proven. 126 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 06:51:42,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:51:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73958210] [2022-11-23 06:51:42,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73958210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:51:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689542736] [2022-11-23 06:51:42,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 06:51:42,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:51:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:51:42,419 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:51:42,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 06:51:43,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-11-23 06:51:43,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:51:43,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-23 06:51:43,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:51:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 168 proven. 61 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 06:51:44,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:51:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 51 proven. 178 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 06:51:45,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689542736] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:51:45,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:51:45,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 55 [2022-11-23 06:51:45,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945424859] [2022-11-23 06:51:45,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:51:45,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-23 06:51:45,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:51:45,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-23 06:51:45,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=2581, Unknown=0, NotChecked=0, Total=2970 [2022-11-23 06:51:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:45,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:51:45,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.654545454545454) internal successors, (366), 55 states have internal predecessors, (366), 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) [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:51:45,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:51:45,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:51:45,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-11-23 06:51:45,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-23 06:51:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:51:53,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 06:51:53,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:51:53,995 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:51:53,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:51:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash -780327692, now seen corresponding path program 10 times [2022-11-23 06:51:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:51:53,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884356308] [2022-11-23 06:51:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:51:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:51:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:51:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 5 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:51:57,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:51:57,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884356308] [2022-11-23 06:51:57,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884356308] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:51:57,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926186825] [2022-11-23 06:51:57,139 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 06:51:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:51:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:51:57,140 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:51:57,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 06:51:57,275 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 06:51:57,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:51:57,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-23 06:51:57,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:00,677 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:52:00,678 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 70 treesize of output 18 [2022-11-23 06:52:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:52:00,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:52:02,192 INFO L321 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2022-11-23 06:52:02,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 110 [2022-11-23 06:52:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 5 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:52:05,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926186825] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:52:05,599 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:52:05,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 30] total 81 [2022-11-23 06:52:05,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605433675] [2022-11-23 06:52:05,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:52:05,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-11-23 06:52:05,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:52:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-11-23 06:52:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1171, Invalid=5309, Unknown=0, NotChecked=0, Total=6480 [2022-11-23 06:52:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:05,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:05,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 5.407407407407407) internal successors, (438), 81 states have internal predecessors, (438), 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) [2022-11-23 06:52:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:52:05,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:52:05,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:52:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:52:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-23 06:52:23,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-23 06:52:23,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 06:52:23,307 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:52:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 994433190, now seen corresponding path program 11 times [2022-11-23 06:52:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:52:23,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606743464] [2022-11-23 06:52:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:52:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:52:27,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:52:27,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606743464] [2022-11-23 06:52:27,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606743464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:52:27,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124796893] [2022-11-23 06:52:27,980 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 06:52:27,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:52:27,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:52:27,981 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:52:27,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 06:52:28,152 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-23 06:52:28,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:52:28,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-23 06:52:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:29,511 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:52:29,512 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 70 treesize of output 18 [2022-11-23 06:52:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 06:52:29,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:52:30,525 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:52:30,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 152 [2022-11-23 06:52:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-23 06:52:31,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124796893] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:52:31,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:52:31,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 19, 12] total 53 [2022-11-23 06:52:31,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166427958] [2022-11-23 06:52:31,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:52:31,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-23 06:52:31,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:52:31,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-23 06:52:31,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=2439, Unknown=0, NotChecked=0, Total=2756 [2022-11-23 06:52:31,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:31,884 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:31,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.39622641509434) internal successors, (392), 53 states have internal predecessors, (392), 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) [2022-11-23 06:52:31,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:31,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:31,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-23 06:52:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:52:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-11-23 06:52:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-11-23 06:52:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-11-23 06:52:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-11-23 06:52:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-23 06:52:52,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-23 06:52:53,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-23 06:52:53,018 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:52:53,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:52:53,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2112508337, now seen corresponding path program 12 times [2022-11-23 06:52:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:52:53,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424018944] [2022-11-23 06:52:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:52:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:52:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:52:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 06:52:54,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:52:54,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424018944] [2022-11-23 06:52:54,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424018944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:52:54,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805113823] [2022-11-23 06:52:54,007 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-23 06:52:54,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:52:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:52:54,009 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:52:54,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 06:52:54,635 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-11-23 06:52:54,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 06:52:54,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 06:52:54,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:52:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 130 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 06:52:56,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:52:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 156 proven. 114 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 06:52:57,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805113823] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:52:57,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:52:57,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 24] total 68 [2022-11-23 06:52:57,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826363525] [2022-11-23 06:52:57,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:52:57,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-11-23 06:52:57,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:52:57,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-11-23 06:52:57,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=3810, Unknown=0, NotChecked=0, Total=4556 [2022-11-23 06:52:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:57,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:52:57,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.264705882352941) internal successors, (494), 68 states have internal predecessors, (494), 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) [2022-11-23 06:52:57,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:52:57,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:57,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:52:57,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:52:57,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-23 06:52:57,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-11-23 06:53:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-11-23 06:53:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-23 06:53:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-11-23 06:53:07,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-23 06:53:07,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:53:07,788 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-23 06:53:07,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 06:53:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash 210580530, now seen corresponding path program 13 times [2022-11-23 06:53:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 06:53:07,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534897047] [2022-11-23 06:53:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 06:53:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 06:53:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:53:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 76 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:53:15,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 06:53:15,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534897047] [2022-11-23 06:53:15,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534897047] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 06:53:15,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397441699] [2022-11-23 06:53:15,102 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 06:53:15,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 06:53:15,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:53:15,103 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 06:53:15,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291b1395-9ba1-42ad-9de0-063603aabb45/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-23 06:53:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 06:53:15,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 111 conjunts are in the unsatisfiable core [2022-11-23 06:53:15,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 06:53:22,004 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:53:22,004 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 116 treesize of output 28 [2022-11-23 06:53:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 6 proven. 302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:53:22,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 06:53:25,413 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 06:53:25,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 178 treesize of output 386 [2022-11-23 06:53:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 5 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 06:53:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397441699] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 06:53:31,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 06:53:31,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 42, 41] total 123 [2022-11-23 06:53:31,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092009010] [2022-11-23 06:53:31,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 06:53:31,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-11-23 06:53:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 06:53:31,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-11-23 06:53:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2107, Invalid=12899, Unknown=0, NotChecked=0, Total=15006 [2022-11-23 06:53:31,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:31,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-23 06:53:31,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 4.715447154471545) internal successors, (580), 123 states have internal predecessors, (580), 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) [2022-11-23 06:53:31,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-23 06:53:31,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:53:31,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-23 06:53:31,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-23 06:53:31,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-11-23 06:53:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-11-23 06:53:31,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-11-23 06:53:31,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-23 06:53:31,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-11-23 06:53:31,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.