./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03c4946022d2e6f710dd6221d8af6a4ec932dc09e858917dba12290a0f27caf9 --- 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-dbf71c6-m [2022-10-17 17:01:46,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:46,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:46,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:46,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:46,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:46,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:46,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:46,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:46,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:46,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:46,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:46,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:46,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:46,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:46,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:46,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:46,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:46,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:46,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:46,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:46,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:46,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:46,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:46,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:46,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:46,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:46,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:46,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:46,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:46,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:46,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:46,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:46,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:46,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:46,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:46,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:46,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:46,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:46,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:46,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:46,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:46,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:46,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:46,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:46,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:46,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:46,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:46,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:46,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:46,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:46,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:46,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:46,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:46,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:46,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:46,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:46,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:46,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:46,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:46,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:46,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:46,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:46,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:46,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:46,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:46,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:46,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:46,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:46,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:46,835 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_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c4946022d2e6f710dd6221d8af6a4ec932dc09e858917dba12290a0f27caf9 [2022-10-17 17:01:47,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:47,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:47,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:47,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:47,153 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:47,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2022-10-17 17:01:47,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/data/0e45db84d/1c529ad9ce1640a99716e8a3953aea42/FLAGc17def456 [2022-10-17 17:01:47,686 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:47,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2022-10-17 17:01:47,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/data/0e45db84d/1c529ad9ce1640a99716e8a3953aea42/FLAGc17def456 [2022-10-17 17:01:48,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/data/0e45db84d/1c529ad9ce1640a99716e8a3953aea42 [2022-10-17 17:01:48,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:48,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:48,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:48,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:48,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:48,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6f3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48, skipping insertion in model container [2022-10-17 17:01:48,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:48,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:48,376 WARN L230 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_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c[454,467] [2022-10-17 17:01:48,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:48,412 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:48,430 WARN L230 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_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c[454,467] [2022-10-17 17:01:48,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:48,460 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:48,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48 WrapperNode [2022-10-17 17:01:48,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:48,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:48,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:48,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:48,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,511 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 17:01:48,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:48,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:48,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:48,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:48,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:48,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:48,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:48,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:48,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:48,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:48,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc6f6ca6-cb18-4bb6-8c4b-a67b3090e6d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:48,754 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:48,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:48,896 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:48,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:48,916 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:01:48,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:48 BoogieIcfgContainer [2022-10-17 17:01:48,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:48,921 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:48,921 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:48,934 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:48,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 17:01:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 17:01:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:49,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:49,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:01:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:01:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:49,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:49,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 17:01:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 17:01:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:49,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:49,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 17:01:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 17:01:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:50,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 17:01:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 17:01:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:50,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:50,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 17:01:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 17:01:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:51,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:51,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:51,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:51,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:52,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 17:01:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 17:01:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:52,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:52,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:52,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:52,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-10-17 17:01:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-10-17 17:01:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:52,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:52,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:52,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-10-17 17:01:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-10-17 17:01:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:54,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:54,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:54,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2022-10-17 17:01:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2022-10-17 17:01:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:55,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:55,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2022-10-17 17:01:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2022-10-17 17:01:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:55,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:55,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-10-17 17:01:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-10-17 17:01:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:56,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:56,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2022-10-17 17:01:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2022-10-17 17:01:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:57,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:01:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2022-10-17 17:01:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2022-10-17 17:01:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:59,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:59,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:59,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 159 transitions. [2022-10-17 17:02:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 159 transitions. [2022-10-17 17:02:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:01,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:01,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:01,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:02:01,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:02:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2022-10-17 17:02:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2022-10-17 17:02:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:02,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:02,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:02:02,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:03,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 159 transitions. [2022-10-17 17:02:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 159 transitions. [2022-10-17 17:02:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:03,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:03,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:02:03,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:02:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2022-10-17 17:02:04,217 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2022-10-17 17:02:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:04,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:04,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:02:04,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:02:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2022-10-17 17:02:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2022-10-17 17:02:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:05,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:05,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:02:05,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2022-10-17 17:02:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2022-10-17 17:02:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:06,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:06,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 180 transitions. [2022-10-17 17:02:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 180 transitions. [2022-10-17 17:02:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:08,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:08,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:09,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:09,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 181 transitions. [2022-10-17 17:02:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 181 transitions. [2022-10-17 17:02:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:10,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:10,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:10,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 81 states and 182 transitions. [2022-10-17 17:02:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 182 transitions. [2022-10-17 17:02:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:12,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:12,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:12,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:12,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 83 states and 183 transitions. [2022-10-17 17:02:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 183 transitions. [2022-10-17 17:02:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:13,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:13,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:02:13,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 91 states and 213 transitions. [2022-10-17 17:02:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 213 transitions. [2022-10-17 17:02:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:18,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:18,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:02:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2022-10-17 17:02:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2022-10-17 17:02:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:21,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:21,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:02:21,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 93 states and 213 transitions. [2022-10-17 17:02:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 213 transitions. [2022-10-17 17:02:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:22,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:22,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:22,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:02:22,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.