./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.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_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/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_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/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_1a21f2cc-f693-4116-94f7-4df918a51873/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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- 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 16:30:32,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:32,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:32,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:32,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:32,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:32,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:32,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:32,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:32,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:32,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:32,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:32,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:32,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:32,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:32,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:32,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:32,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:32,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:32,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:32,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:32,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:32,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:32,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:32,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:32,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:32,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:32,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:32,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:32,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:32,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:32,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:32,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:32,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:32,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:32,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:32,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:32,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:32,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:32,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:32,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:32,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:32,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:32,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:32,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:32,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:32,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:32,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:32,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:32,596 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:32,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:32,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:32,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:32,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:32,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:32,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:32,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:32,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:32,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:32,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:32,599 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:32,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:32,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:32,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:32,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:32,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:32,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:32,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:32,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:32,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:32,601 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_1a21f2cc-f693-4116-94f7-4df918a51873/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2022-10-17 16:30:32,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:32,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:32,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:32,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:32,926 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:32,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2022-10-17 16:30:33,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/data/3a8ac8c87/457e291eb9bc45d9ac0893de130a36ba/FLAG6574eb3ff [2022-10-17 16:30:33,450 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:33,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2022-10-17 16:30:33,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/data/3a8ac8c87/457e291eb9bc45d9ac0893de130a36ba/FLAG6574eb3ff [2022-10-17 16:30:33,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/data/3a8ac8c87/457e291eb9bc45d9ac0893de130a36ba [2022-10-17 16:30:33,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:33,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:33,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:33,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:33,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:33,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:33" (1/1) ... [2022-10-17 16:30:33,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3da967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:33, skipping insertion in model container [2022-10-17 16:30:33,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:33" (1/1) ... [2022-10-17 16:30:33,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:33,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:34,035 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_1a21f2cc-f693-4116-94f7-4df918a51873/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2022-10-17 16:30:34,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:34,067 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:34,080 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_1a21f2cc-f693-4116-94f7-4df918a51873/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2022-10-17 16:30:34,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:34,104 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:34,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34 WrapperNode [2022-10-17 16:30:34,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:34,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:34,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:34,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:34,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,141 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:30:34,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:34,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:34,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:34,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:34,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:34,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:34,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:34,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:34,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:34,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:34,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:34,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:30:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:30:34,334 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:34,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:34,499 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:34,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:34,517 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:30:34,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:34 BoogieIcfgContainer [2022-10-17 16:30:34,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:34,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:34,522 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:34,533 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:34,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:34" (1/1) ... [2022-10-17 16:30:34,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 16:30:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 16:30:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:34,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,744 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 16:30:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:30:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:30:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:34,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,907 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 16:30:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:30:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:30:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:34,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:35,373 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 16:30:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2022-10-17 16:30:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 16:30:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:35,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:35,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:35,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:35,836 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 16:30:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2022-10-17 16:30:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:30:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:36,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:36,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:36,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:30:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2022-10-17 16:30:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-10-17 16:30:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:37,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:30:37,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:30:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2022-10-17 16:30:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 16:30:37,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:30:37,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:37,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:30:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2022-10-17 16:30:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-10-17 16:30:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:30:37,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:37,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:30:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2022-10-17 16:30:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-10-17 16:30:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:30:38,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:30:38,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:30:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 55 states and 124 transitions. [2022-10-17 16:30:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2022-10-17 16:30:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:30:40,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:40,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:30:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 129 transitions. [2022-10-17 16:30:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 129 transitions. [2022-10-17 16:30:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:30:41,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:41,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:30:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 60 states and 139 transitions. [2022-10-17 16:30:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 139 transitions. [2022-10-17 16:30:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:30:42,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:42,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:42,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:30:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 64 states and 150 transitions. [2022-10-17 16:30:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 150 transitions. [2022-10-17 16:30:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:30:43,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:43,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:43,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:30:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 64 states and 149 transitions. [2022-10-17 16:30:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 149 transitions. [2022-10-17 16:30:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:30:44,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:44,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:30:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 67 states and 165 transitions. [2022-10-17 16:30:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 165 transitions. [2022-10-17 16:30:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:30:44,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:44,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:30:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 70 states and 178 transitions. [2022-10-17 16:30:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 178 transitions. [2022-10-17 16:30:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:30:46,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:46,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:30:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 68 states and 169 transitions. [2022-10-17 16:30:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 169 transitions. [2022-10-17 16:30:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:30:46,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:30:46,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:30:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 70 states and 177 transitions. [2022-10-17 16:30:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 177 transitions. [2022-10-17 16:30:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:30:46,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:47,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:30:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 71 states and 181 transitions. [2022-10-17 16:30:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 181 transitions. [2022-10-17 16:30:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:30:47,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:47,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 16:30:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 72 states and 183 transitions. [2022-10-17 16:30:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 183 transitions. [2022-10-17 16:30:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:30:48,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:48,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:30:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 73 states and 189 transitions. [2022-10-17 16:30:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 189 transitions. [2022-10-17 16:30:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:30:49,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:49,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:30:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 75 states and 195 transitions. [2022-10-17 16:30:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 195 transitions. [2022-10-17 16:30:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:30:52,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:30:52,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-10-17 16:30:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 75 states and 193 transitions. [2022-10-17 16:30:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 193 transitions. [2022-10-17 16:30:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:30:52,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:53,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 16:30:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 54 states and 148 transitions. [2022-10-17 16:30:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 148 transitions. [2022-10-17 16:30:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:30:56,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:30:56,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:30:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 51 states and 130 transitions. [2022-10-17 16:30:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 130 transitions. [2022-10-17 16:30:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:30:57,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:57,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:30:57,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:58,365 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:30:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:31:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 53 states and 142 transitions. [2022-10-17 16:31:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 142 transitions. [2022-10-17 16:31:04,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:31:04,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:04,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:04,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:31:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:04,712 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2022-10-17 16:31:04,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:31:04 ImpRootNode [2022-10-17 16:31:04,763 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:31:04,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:31:04,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:31:04,764 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:31:04,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:34" (3/4) ... [2022-10-17 16:31:04,767 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:31:04,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:31:04,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:31:04,901 INFO L158 Benchmark]: Toolchain (without parser) took 31083.91ms. Allocated memory was 119.5MB in the beginning and 270.5MB in the end (delta: 151.0MB). Free memory was 79.0MB in the beginning and 178.9MB in the end (delta: -99.9MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,902 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:04,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.97ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 93.1MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.41ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 91.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,906 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:04,906 INFO L158 Benchmark]: RCFGBuilder took 355.26ms. Allocated memory is still 119.5MB. Free memory was 90.3MB in the beginning and 78.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,908 INFO L158 Benchmark]: CodeCheck took 30241.81ms. Allocated memory was 119.5MB in the beginning and 270.5MB in the end (delta: 151.0MB). Free memory was 78.4MB in the beginning and 183.1MB in the end (delta: -104.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,924 INFO L158 Benchmark]: Witness Printer took 136.67ms. Allocated memory is still 270.5MB. Free memory was 183.1MB in the beginning and 178.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:31:04,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2496 SdHoareTripleChecker+Valid, 28.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 286 mSDsluCounter, 1302 SdHoareTripleChecker+Invalid, 24.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 4269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12498 IncrementalHoareTripleChecker+Invalid, 16767 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4269 mSolverCounterUnsat, 1138 mSDtfsCounter, 12498 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9179 GetRequests, 8673 SyntacticMatches, 184 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52956 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1037 NumberOfCodeBlocks, 1037 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 3529 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2667 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 25 InterpolantComputations, 10 PerfectInterpolantSequences, 2304/2420 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [a=2, counter=0, n=0, x=0, y=1, z=6] [L33] EXPR counter++ VAL [a=2, counter=1, counter++=0, n=0, x=0, y=1, z=6] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=1, n=1, x=1, y=7, z=12] [L33] EXPR counter++ VAL [a=2, counter=2, counter++=1, n=1, x=1, y=7, z=12] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=2, n=2, x=8, y=19, z=18] [L33] EXPR counter++ VAL [a=2, counter=3, counter++=2, n=2, x=8, y=19, z=18] [L33] COND FALSE !(counter++<2) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [a=2, counter=3, n=2, x=8, y=19, z=18] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.97ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 93.1MB in the end (delta: -14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.41ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 91.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 119.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.26ms. Allocated memory is still 119.5MB. Free memory was 90.3MB in the beginning and 78.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 30241.81ms. Allocated memory was 119.5MB in the beginning and 270.5MB in the end (delta: 151.0MB). Free memory was 78.4MB in the beginning and 183.1MB in the end (delta: -104.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Witness Printer took 136.67ms. Allocated memory is still 270.5MB. Free memory was 183.1MB in the beginning and 178.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:31:04,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a21f2cc-f693-4116-94f7-4df918a51873/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0