./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.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_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/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_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/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_2bb3b0cc-0a6e-4538-a363-2593542b6702/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 ab58e6e2c961b5079d27f0e50d102b130cbd0fe91f94b9e7f9ec684782e7528b --- 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 16:58:50,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:50,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:50,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:50,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:50,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:50,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:50,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:50,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:50,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:50,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:50,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:50,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:50,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:50,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:50,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:50,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:50,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:50,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:50,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:50,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:50,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:50,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:50,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:50,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:50,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:50,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:50,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:50,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:50,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:50,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:50,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:50,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:50,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:50,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:50,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:50,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:50,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:50,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:50,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:50,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:50,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:50,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:50,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:50,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:50,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:50,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:50,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:50,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:50,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:50,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:50,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:50,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:50,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:50,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:50,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:50,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:50,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:50,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:50,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:50,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:50,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:50,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:50,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:50,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:50,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:50,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:50,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:50,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:50,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:50,482 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_2bb3b0cc-0a6e-4538-a363-2593542b6702/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab58e6e2c961b5079d27f0e50d102b130cbd0fe91f94b9e7f9ec684782e7528b [2022-10-17 16:58:50,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:50,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:50,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:50,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:50,812 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:50,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c [2022-10-17 16:58:50,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/data/0e0e2a882/3acae0cc39c7470abd6d243c0b227f99/FLAG5924e071b [2022-10-17 16:58:51,428 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:51,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c [2022-10-17 16:58:51,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/data/0e0e2a882/3acae0cc39c7470abd6d243c0b227f99/FLAG5924e071b [2022-10-17 16:58:51,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/data/0e0e2a882/3acae0cc39c7470abd6d243c0b227f99 [2022-10-17 16:58:51,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:51,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:51,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:51,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:51,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:51,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:51" (1/1) ... [2022-10-17 16:58:51,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1add213a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:51, skipping insertion in model container [2022-10-17 16:58:51,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:51" (1/1) ... [2022-10-17 16:58:51,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:51,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:52,043 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_2bb3b0cc-0a6e-4538-a363-2593542b6702/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[537,550] [2022-10-17 16:58:52,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:52,069 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:52,081 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_2bb3b0cc-0a6e-4538-a363-2593542b6702/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[537,550] [2022-10-17 16:58:52,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:52,100 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:52,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52 WrapperNode [2022-10-17 16:58:52,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:52,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:52,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:52,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:52,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,136 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 16:58:52,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:52,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:52,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:52,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:52,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,158 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:52,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:52,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:52,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:52,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:52,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:52,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:52,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb3b0cc-0a6e-4538-a363-2593542b6702/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:58:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:58:52,307 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:52,309 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:52,443 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:52,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:52,517 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:58:52,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:52 BoogieIcfgContainer [2022-10-17 16:58:52,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:52,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:52,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:52,544 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:52,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:52" (1/1) ... [2022-10-17 16:58:52,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:58:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:58:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:58:52,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:52,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:52,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:58:52,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:52,908 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 16:58:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:58:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:58:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:52,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:52,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:58:52,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:53,030 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 16:58:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:58:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:58:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:53,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:53,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:58:53,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:53,287 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 16:58:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:58:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:58:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:58:53,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:53,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:53,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:53,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:54,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2022-10-17 16:58:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2022-10-17 16:58:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:54,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:54,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:54,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:58:54,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:54,215 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 16:58:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2022-10-17 16:58:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2022-10-17 16:58:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:55,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:55,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:55,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:58:55,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2022-10-17 16:58:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2022-10-17 16:58:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:58,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:58,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:58,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:58:58,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:03,995 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-17 16:59:04,001 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 16:59:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2022-10-17 16:59:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2022-10-17 16:59:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:59:04,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:04,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:04,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:59:04,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:59:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2022-10-17 16:59:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2022-10-17 16:59:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:59:06,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:06,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:59:06,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:06,225 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 16:59:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2022-10-17 16:59:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2022-10-17 16:59:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:59:08,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:08,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:59:08,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:11,924 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 16:59:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:59:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 138 transitions. [2022-10-17 16:59:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 138 transitions. [2022-10-17 16:59:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:59:18,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:18,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:18,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:59:18,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:23,501 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 16:59:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 58 states and 142 transitions. [2022-10-17 16:59:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 142 transitions. [2022-10-17 16:59:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:59:26,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:26,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:59:26,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:26,564 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 16:59:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 141 transitions. [2022-10-17 16:59:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2022-10-17 16:59:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:59:27,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:27,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:59:27,255 INFO L286 TraceCheckSpWp]: Computing forward predicates...