./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:05:21,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:05:21,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:05:21,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:05:21,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:05:21,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:05:21,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:05:21,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:05:21,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:05:21,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:05:21,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:05:21,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:05:21,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:05:21,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:05:21,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:05:21,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:05:21,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:05:21,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:05:21,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:05:21,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:05:21,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:05:21,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:05:21,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:05:21,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:05:21,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:05:21,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:05:21,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:05:21,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:05:21,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:05:21,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:05:21,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:05:21,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:05:21,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:05:21,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:05:21,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:05:21,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:05:21,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:05:21,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:05:21,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:05:21,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:05:21,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:05:21,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:05:21,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:05:21,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:05:21,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:05:21,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:05:21,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:05:21,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:05:21,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:05:21,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:05:21,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:05:21,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:05:21,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:05:21,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:05:21,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:05:21,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:05:21,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:05:21,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:05:21,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:05:21,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:05:21,683 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:05:21,683 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:05:21,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:05:21,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:05:21,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:05:21,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:05:21,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:05:21,684 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:05:21,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:05:21,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:05:21,685 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_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 [2022-12-14 19:05:21,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:05:21,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:05:21,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:05:21,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:05:21,879 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:05:21,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2022-12-14 19:05:24,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:05:24,526 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:05:24,527 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2022-12-14 19:05:24,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/data/3a3a057a6/274404b787eb481b8bba241c494e3ccc/FLAG7c58ff607 [2022-12-14 19:05:24,971 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/data/3a3a057a6/274404b787eb481b8bba241c494e3ccc [2022-12-14 19:05:24,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:05:24,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:05:24,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:05:24,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:05:24,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:05:24,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:05:24" (1/1) ... [2022-12-14 19:05:24,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453e6c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:24, skipping insertion in model container [2022-12-14 19:05:24,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:05:24" (1/1) ... [2022-12-14 19:05:24,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:05:25,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:05:25,102 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c[535,548] [2022-12-14 19:05:25,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:05:25,122 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:05:25,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c[535,548] [2022-12-14 19:05:25,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:05:25,145 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:05:25,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25 WrapperNode [2022-12-14 19:05:25,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:05:25,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:05:25,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:05:25,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:05:25,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,168 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-12-14 19:05:25,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:05:25,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:05:25,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:05:25,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:05:25,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:05:25,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:05:25,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:05:25,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:05:25,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:05:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:05:25,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:05:25,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c69521f-0710-47d5-8b5d-84fc9ebea766/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:05:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:05:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 19:05:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 19:05:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:05:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:05:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:05:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:05:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:05:25,294 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:05:25,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:05:25,420 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:05:25,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:05:25,439 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 19:05:25,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:05:25 BoogieIcfgContainer [2022-12-14 19:05:25,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:05:25,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:05:25,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:05:25,449 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:05:25,450 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:05:25" (1/1) ... [2022-12-14 19:05:25,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:05:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 19:05:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 19:05:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:05:25,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:25,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:25,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 19:05:25,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 19:05:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 19:05:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:05:25,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:25,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 19:05:25,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-14 19:05:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-14 19:05:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:05:25,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:25,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:05:25,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:05:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2022-12-14 19:05:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-14 19:05:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:05:27,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:27,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:27,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 19:05:27,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:29,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:05:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2022-12-14 19:05:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-14 19:05:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:05:31,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:31,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:05:31,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2022-12-14 19:05:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2022-12-14 19:05:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:05:36,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:36,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:36,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:05:36,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2022-12-14 19:05:36,676 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2022-12-14 19:05:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:05:36,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:36,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:05:36,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:05:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2022-12-14 19:05:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-12-14 19:05:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:05:57,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:57,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:05:57,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:05:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:06:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2022-12-14 19:06:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2022-12-14 19:06:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:06:08,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:08,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:08,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:06:08,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:06:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:06:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2022-12-14 19:06:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2022-12-14 19:06:08,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:06:08,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:08,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:06:08,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:06:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:06:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2022-12-14 19:06:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2022-12-14 19:06:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:06:35,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:35,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:35,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:06:35,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:06:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:06:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 131 transitions. [2022-12-14 19:06:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2022-12-14 19:06:46,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:06:46,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:06:46,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 19:06:46,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:06:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 19:07:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:07:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 153 transitions. [2022-12-14 19:07:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 153 transitions. [2022-12-14 19:07:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:07:20,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:07:20,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:07:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:20,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:07:20,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:07:30,657 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:07:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 19:08:11,217 WARN L233 SmtUtils]: Spent 20.47s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:08:33,186 WARN L233 SmtUtils]: Spent 20.25s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:08:48,695 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:08:59,850 WARN L233 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:09:20,883 WARN L233 SmtUtils]: Spent 20.81s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:09:42,117 WARN L233 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:09:56,600 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:10:07,484 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:10:28,344 WARN L233 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:10:49,384 WARN L233 SmtUtils]: Spent 20.48s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:11:01,792 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:11:12,789 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:11:34,099 WARN L233 SmtUtils]: Spent 20.19s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:11:54,877 WARN L233 SmtUtils]: Spent 20.23s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:12:11,692 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:12:22,757 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:12:43,934 WARN L233 SmtUtils]: Spent 20.49s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:13:05,119 WARN L233 SmtUtils]: Spent 20.35s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:13:15,646 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:13:27,307 WARN L233 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:13:48,003 WARN L233 SmtUtils]: Spent 20.26s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:14:09,400 WARN L233 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:14:20,519 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:14:31,543 WARN L233 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:14:52,659 WARN L233 SmtUtils]: Spent 20.40s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:15:13,792 WARN L233 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:15:27,424 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:15:38,724 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:15:49,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:15:59,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:16:01,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:16:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 85 states and 182 transitions. [2022-12-14 19:16:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 182 transitions. [2022-12-14 19:16:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:16:03,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:03,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:03,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:16:03,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:16:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:16:13,890 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:16:24,318 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:16:35,610 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:16:46,163 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:16:56,425 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:17:06,688 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:17:17,260 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:17:28,418 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:17:32,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:17:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 89 states and 194 transitions. [2022-12-14 19:17:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 194 transitions. [2022-12-14 19:17:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:17:45,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:45,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:17:45,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:17:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2022-12-14 19:17:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2022-12-14 19:17:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 19:17:53,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:53,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:17:53,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:17:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:18:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 97 states and 221 transitions. [2022-12-14 19:18:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 221 transitions. [2022-12-14 19:18:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:18:07,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:07,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:07,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:18:07,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:18:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:18:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 101 states and 235 transitions. [2022-12-14 19:18:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 235 transitions. [2022-12-14 19:18:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:18:21,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:18:21,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:18:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:18:55,575 WARN L233 SmtUtils]: Spent 21.10s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:07,250 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 105 states and 241 transitions. [2022-12-14 19:19:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 241 transitions. [2022-12-14 19:19:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:19:07,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:19:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:19:07,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:19:07,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:19:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:19:29,287 WARN L233 SmtUtils]: Spent 20.71s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:19:43,035 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:20:07,636 WARN L233 SmtUtils]: Spent 20.15s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:20:21,421 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:20:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:20:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 107 states and 242 transitions. [2022-12-14 19:20:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 242 transitions. [2022-12-14 19:20:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:20:24,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:20:24,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:20:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:20:24,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:20:24,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:20:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:20:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:20:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 111 states and 259 transitions. [2022-12-14 19:20:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 259 transitions. [2022-12-14 19:20:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 19:20:32,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:20:32,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:20:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:20:32,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 19:20:32,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:20:42,544 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)