./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4 --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 cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 --- 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-2329fc7 [2022-12-15 00:35:50,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:35:50,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:35:50,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:35:50,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:35:50,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:35:50,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:35:50,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:35:50,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:35:50,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:35:50,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:35:50,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:35:50,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:35:50,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:35:50,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:35:50,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:35:50,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:35:50,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:35:50,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:35:50,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:35:50,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:35:50,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:35:50,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:35:50,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:35:50,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:35:50,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:35:50,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:35:50,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:35:50,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:35:50,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:35:50,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:35:50,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:35:50,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:35:50,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:35:50,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:35:50,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:35:50,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:35:50,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:35:50,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:35:50,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:35:50,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:35:50,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:35:50,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:35:50,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:35:50,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:35:50,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:35:50,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:35:50,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:35:50,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:35:50,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:35:50,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:35:50,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:35:50,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:35:50,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:35:50,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:35:50,455 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:35:50,455 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:35:50,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:35:50,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:35:50,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:35:50,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:35:50,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:35:50,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:35:50,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:35:50,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:35:50,457 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_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 [2022-12-15 00:35:50,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:35:50,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:35:50,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:35:50,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:35:50,646 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:35:50,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i [2022-12-15 00:35:53,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:35:53,408 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:35:53,409 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i [2022-12-15 00:35:53,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/data/481d57692/7c6f5c7d30954260b758aa7c898c261e/FLAGcacbbdf76 [2022-12-15 00:35:53,424 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/data/481d57692/7c6f5c7d30954260b758aa7c898c261e [2022-12-15 00:35:53,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:35:53,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:35:53,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:35:53,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:35:53,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:35:53,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a471ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53, skipping insertion in model container [2022-12-15 00:35:53,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:35:53,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:35:53,551 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_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2022-12-15 00:35:53,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:35:53,568 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:35:53,577 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_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2022-12-15 00:35:53,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:35:53,590 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:35:53,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53 WrapperNode [2022-12-15 00:35:53,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:35:53,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:35:53,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:35:53,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:35:53,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,614 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-12-15 00:35:53,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:35:53,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:35:53,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:35:53,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:35:53,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:35:53,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:35:53,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:35:53,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:35:53,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:35:53,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:35:53,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:35:53,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a26f12-43a7-4ea2-a6b6-a5898b407e2e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:35:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:35:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 00:35:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 00:35:53,736 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:35:53,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:35:53,831 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:35:53,863 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:35:53,863 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:35:53,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:35:53 BoogieIcfgContainer [2022-12-15 00:35:53,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:35:53,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:35:53,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:35:53,873 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:35:53,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:35:53" (1/1) ... [2022-12-15 00:35:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:35:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-15 00:35:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-15 00:35:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:35:53,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:53,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 00:35:54,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-15 00:35:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-15 00:35:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:35:54,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:54,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 00:35:54,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-12-15 00:35:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-12-15 00:35:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:35:54,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:54,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 00:35:54,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-12-15 00:35:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-12-15 00:35:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:35:54,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:54,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 00:35:54,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2022-12-15 00:35:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2022-12-15 00:35:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:35:54,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:54,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:54,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 00:35:54,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2022-12-15 00:35:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-12-15 00:35:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:35:55,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:55,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 00:35:55,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2022-12-15 00:35:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2022-12-15 00:35:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:35:57,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:57,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:57,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 00:35:57,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:35:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2022-12-15 00:35:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2022-12-15 00:35:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:35:58,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:58,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:58,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 00:35:58,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 00:35:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2022-12-15 00:35:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2022-12-15 00:35:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:35:59,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:59,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-15 00:35:59,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:35:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:36:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2022-12-15 00:36:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2022-12-15 00:36:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:36:00,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:00,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:00,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-15 00:36:00,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 00:36:04,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:36:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2022-12-15 00:36:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2022-12-15 00:36:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:36:04,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:04,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 00:36:04,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:36:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 80 states and 137 transitions. [2022-12-15 00:36:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2022-12-15 00:36:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:36:11,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:11,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:36:11,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:36:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2022-12-15 00:36:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2022-12-15 00:36:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:36:18,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:19,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-15 00:36:19,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:36:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 90 states and 157 transitions. [2022-12-15 00:36:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 157 transitions. [2022-12-15 00:36:26,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:36:26,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:26,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:27,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:36:27,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:36:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 178 transitions. [2022-12-15 00:36:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2022-12-15 00:36:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:36:38,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:38,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:38,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:36:38,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:36:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 99 states and 174 transitions. [2022-12-15 00:36:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 174 transitions. [2022-12-15 00:36:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 00:36:48,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:48,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 00:36:48,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 00:36:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 178 transitions. [2022-12-15 00:36:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2022-12-15 00:36:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:36:50,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:50,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:36:50,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:37:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:37:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 104 states and 185 transitions. [2022-12-15 00:37:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 185 transitions. [2022-12-15 00:37:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:37:03,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:37:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:37:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:37:04,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-15 00:37:04,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:37:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:38:02,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:38:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:38:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 115 states and 207 transitions. [2022-12-15 00:38:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 207 transitions. [2022-12-15 00:38:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 00:38:03,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:38:03,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:38:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:38:04,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-15 00:38:04,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:38:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:38:26,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:38:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:38:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2022-12-15 00:38:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2022-12-15 00:38:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 00:38:26,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:38:26,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:38:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:38:31,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 00:38:31,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:38:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:39:19,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:39:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 128 states and 233 transitions. [2022-12-15 00:39:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 233 transitions. [2022-12-15 00:39:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:39:21,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:21,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:23,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 00:39:23,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:39:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:39:49,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:39:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 131 states and 240 transitions. [2022-12-15 00:39:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 240 transitions. [2022-12-15 00:39:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 00:39:49,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:49,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:55,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 00:39:55,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:39:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:40:07,771 WARN L233 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:40:20,064 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:40:37,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:40:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:40:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 134 states and 247 transitions. [2022-12-15 00:40:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 247 transitions. [2022-12-15 00:40:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:40:37,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:40:37,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:40:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:40:37,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 00:40:37,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:40:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 00:40:44,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:40:54,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:40:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:40:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 136 states and 251 transitions. [2022-12-15 00:40:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 251 transitions. [2022-12-15 00:40:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 00:40:54,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:40:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:01,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-15 00:41:01,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:41:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 61 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:41:15,320 WARN L233 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:41:29,182 WARN L233 SmtUtils]: Spent 11.86s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:41:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 139 states and 258 transitions. [2022-12-15 00:41:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 258 transitions. [2022-12-15 00:41:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 00:41:46,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:46,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:50,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 00:41:50,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:41:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 00:42:18,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:42:20,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:42:33,426 WARN L233 SmtUtils]: Spent 9.55s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:42:49,177 WARN L233 SmtUtils]: Spent 12.61s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:43:19,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:43:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:43:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 144 states and 270 transitions. [2022-12-15 00:43:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 270 transitions. [2022-12-15 00:43:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 00:43:21,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:43:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:43:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:43:24,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-15 00:43:24,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:44:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 8 proven. 75 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:45:19,247 WARN L233 SmtUtils]: Spent 33.90s on a formula simplification that was a NOOP. DAG size: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:45:51,729 WARN L233 SmtUtils]: Spent 28.46s on a formula simplification that was a NOOP. DAG size: 241 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:46:17,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 00:46:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 155 states and 291 transitions. [2022-12-15 00:46:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 291 transitions. [2022-12-15 00:46:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:46:19,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:19,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:27,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-15 00:46:27,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 13 proven. 60 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 00:47:16,594 WARN L233 SmtUtils]: Spent 33.91s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:47:47,607 WARN L233 SmtUtils]: Spent 26.51s on a formula simplification that was a NOOP. DAG size: 264 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:48:34,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:48:36,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:48:38,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:48:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:48:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:48:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 169 states and 318 transitions. [2022-12-15 00:48:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2022-12-15 00:48:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 00:48:40,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:48:40,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:48:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:48:45,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-15 00:48:45,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:50:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 13 proven. 72 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.